18986781700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1\times {\mathrm{373}}^1$

素因数の和:846

約数の個数: 144

約数和(自身を含む): 44201893120

約数和(自身を除く): 25215111420

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 73, 76, 95, 100, 146, 190, 292, 365, 367, 373, 380, 475, 730, 734, 746, 950, 1387, 1460, 1468, 1492, 1825, 1835, 1865, 1900, 2774, 3650, 3670, 3730, 5548, 6935, 6973, 7087, 7300, 7340, 7460, 9175, 9325, 13870, 13946, 14174, 18350, 18650, 26791, 27229, 27740, 27892, 28348, 34675, 34865, 35435, 36700, 37300, 53582, 54458, 69350, 69730, 70870, 107164, 108916, 133955, 136145, 136891, 138700, 139460, 141740, 174325, 177175, 267910, 272290, 273782, 348650, 354350, 509029, 517351, 535820, 544580, 547564, 669775, 680725, 684455, 697300, 708700, 1018058, 1034702, 1339550, 1361450, 1368910, 2036116, 2069404, 2545145, 2586755, 2600929, 2679100, 2722900, 2737820, 3422275, 5090290, 5173510, 5201858, 6844550, 9993043, 10180580, 10347020, 10403716, 12725725, 12933775, 13004645, 13689100, 19986086, 25451450, 25867550, 26009290, 39972172, 49965215, 50902900, 51735100, 52018580, 65023225, 99930430, 130046450, 189867817, 199860860, 249826075, 260092900, 379735634, 499652150, 759471268, 949339085, 999304300, 1898678170, 3797356340, 4746695425, 9493390850, 18986781700]

約数ペア:

[(1, 18986781700), (2, 9493390850), (4, 4746695425), (5, 3797356340), (10, 1898678170), (19, 999304300), (20, 949339085), (25, 759471268), (38, 499652150), (50, 379735634), (73, 260092900), (76, 249826075), (95, 199860860), (100, 189867817), (146, 130046450), (190, 99930430), (292, 65023225), (365, 52018580), (367, 51735100), (373, 50902900), (380, 49965215), (475, 39972172), (730, 26009290), (734, 25867550), (746, 25451450), (950, 19986086), (1387, 13689100), (1460, 13004645), (1468, 12933775), (1492, 12725725), (1825, 10403716), (1835, 10347020), (1865, 10180580), (1900, 9993043), (2774, 6844550), (3650, 5201858), (3670, 5173510), (3730, 5090290), (5548, 3422275), (6935, 2737820), (6973, 2722900), (7087, 2679100), (7300, 2600929), (7340, 2586755), (7460, 2545145), (9175, 2069404), (9325, 2036116), (13870, 1368910), (13946, 1361450), (14174, 1339550), (18350, 1034702), (18650, 1018058), (26791, 708700), (27229, 697300), (27740, 684455), (27892, 680725), (28348, 669775), (34675, 547564), (34865, 544580), (35435, 535820), (36700, 517351), (37300, 509029), (53582, 354350), (54458, 348650), (69350, 273782), (69730, 272290), (70870, 267910), (107164, 177175), (108916, 174325), (133955, 141740), (136145, 139460), (136891, 138700)]