18193500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:349

約数の個数: 144

約数和(自身を含む): 62008128

約数和(自身を除く): 43814628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 125, 130, 150, 156, 180, 195, 225, 234, 250, 260, 300, 311, 325, 375, 390, 450, 468, 500, 585, 622, 650, 750, 780, 900, 933, 975, 1125, 1170, 1244, 1300, 1500, 1555, 1625, 1866, 1950, 2250, 2340, 2799, 2925, 3110, 3250, 3732, 3900, 4043, 4500, 4665, 4875, 5598, 5850, 6220, 6500, 7775, 8086, 9330, 9750, 11196, 11700, 12129, 13995, 14625, 15550, 16172, 18660, 19500, 20215, 23325, 24258, 27990, 29250, 31100, 36387, 38875, 40430, 46650, 48516, 55980, 58500, 60645, 69975, 72774, 77750, 80860, 93300, 101075, 116625, 121290, 139950, 145548, 155500, 181935, 202150, 233250, 242580, 279900, 303225, 349875, 363870, 404300, 466500, 505375, 606450, 699750, 727740, 909675, 1010750, 1212900, 1399500, 1516125, 1819350, 2021500, 3032250, 3638700, 4548375, 6064500, 9096750, 18193500]

約数ペア:

[(1, 18193500), (2, 9096750), (3, 6064500), (4, 4548375), (5, 3638700), (6, 3032250), (9, 2021500), (10, 1819350), (12, 1516125), (13, 1399500), (15, 1212900), (18, 1010750), (20, 909675), (25, 727740), (26, 699750), (30, 606450), (36, 505375), (39, 466500), (45, 404300), (50, 363870), (52, 349875), (60, 303225), (65, 279900), (75, 242580), (78, 233250), (90, 202150), (100, 181935), (117, 155500), (125, 145548), (130, 139950), (150, 121290), (156, 116625), (180, 101075), (195, 93300), (225, 80860), (234, 77750), (250, 72774), (260, 69975), (300, 60645), (311, 58500), (325, 55980), (375, 48516), (390, 46650), (450, 40430), (468, 38875), (500, 36387), (585, 31100), (622, 29250), (650, 27990), (750, 24258), (780, 23325), (900, 20215), (933, 19500), (975, 18660), (1125, 16172), (1170, 15550), (1244, 14625), (1300, 13995), (1500, 12129), (1555, 11700), (1625, 11196), (1866, 9750), (1950, 9330), (2250, 8086), (2340, 7775), (2799, 6500), (2925, 6220), (3110, 5850), (3250, 5598), (3732, 4875), (3900, 4665), (4043, 4500)]