18697900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{757}}^1$

素因数の和:803

約数の個数: 72

約数和(自身を含む): 46056080

約数和(自身を除く): 27358180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 757, 950, 988, 1235, 1300, 1514, 1900, 2470, 3028, 3785, 4940, 6175, 7570, 9841, 12350, 14383, 15140, 18925, 19682, 24700, 28766, 37850, 39364, 49205, 57532, 71915, 75700, 98410, 143830, 186979, 196820, 246025, 287660, 359575, 373958, 492050, 719150, 747916, 934895, 984100, 1438300, 1869790, 3739580, 4674475, 9348950, 18697900]

約数ペア:

[(1, 18697900), (2, 9348950), (4, 4674475), (5, 3739580), (10, 1869790), (13, 1438300), (19, 984100), (20, 934895), (25, 747916), (26, 719150), (38, 492050), (50, 373958), (52, 359575), (65, 287660), (76, 246025), (95, 196820), (100, 186979), (130, 143830), (190, 98410), (247, 75700), (260, 71915), (325, 57532), (380, 49205), (475, 39364), (494, 37850), (650, 28766), (757, 24700), (950, 19682), (988, 18925), (1235, 15140), (1300, 14383), (1514, 12350), (1900, 9841), (2470, 7570), (3028, 6175), (3785, 4940)]