18269680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1597}}^1$

素因数の和:1634

約数の個数: 80

約数和(自身を含む): 49934304

約数和(自身を除く): 31664624

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 1597, 2288, 2860, 3194, 5720, 6388, 7985, 11440, 12776, 15970, 17567, 20761, 25552, 31940, 35134, 41522, 63880, 70268, 83044, 87835, 103805, 127760, 140536, 166088, 175670, 207610, 228371, 281072, 332176, 351340, 415220, 456742, 702680, 830440, 913484, 1141855, 1405360, 1660880, 1826968, 2283710, 3653936, 4567420, 9134840, 18269680]

約数ペア:

[(1, 18269680), (2, 9134840), (4, 4567420), (5, 3653936), (8, 2283710), (10, 1826968), (11, 1660880), (13, 1405360), (16, 1141855), (20, 913484), (22, 830440), (26, 702680), (40, 456742), (44, 415220), (52, 351340), (55, 332176), (65, 281072), (80, 228371), (88, 207610), (104, 175670), (110, 166088), (130, 140536), (143, 127760), (176, 103805), (208, 87835), (220, 83044), (260, 70268), (286, 63880), (440, 41522), (520, 35134), (572, 31940), (715, 25552), (880, 20761), (1040, 17567), (1144, 15970), (1430, 12776), (1597, 11440), (2288, 7985), (2860, 6388), (3194, 5720)]