18374611970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1297}}^1\times {\mathrm{9907}}^1$

素因数の和:11235

約数の個数: 64

約数和(自身を含む): 38890406016

約数和(自身を除く): 20515794046

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1297, 1430, 2594, 6485, 9907, 12970, 14267, 16861, 19814, 28534, 33722, 49535, 71335, 84305, 99070, 108977, 128791, 142670, 168610, 185471, 217954, 257582, 370942, 544885, 643955, 927355, 1089770, 1287910, 1416701, 1854710, 2833402, 7083505, 12849379, 14167010, 25698758, 64246895, 128493790, 141343169, 167041927, 282686338, 334083854, 706715845, 835209635, 1413431690, 1670419270, 1837461197, 3674922394, 9187305985, 18374611970]

約数ペア:

[(1, 18374611970), (2, 9187305985), (5, 3674922394), (10, 1837461197), (11, 1670419270), (13, 1413431690), (22, 835209635), (26, 706715845), (55, 334083854), (65, 282686338), (110, 167041927), (130, 141343169), (143, 128493790), (286, 64246895), (715, 25698758), (1297, 14167010), (1430, 12849379), (2594, 7083505), (6485, 2833402), (9907, 1854710), (12970, 1416701), (14267, 1287910), (16861, 1089770), (19814, 927355), (28534, 643955), (33722, 544885), (49535, 370942), (71335, 257582), (84305, 217954), (99070, 185471), (108977, 168610), (128791, 142670)]