18493280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1$

素因数の和:568

約数の個数: 96

約数和(自身を含む): 49914144

約数和(自身を除く): 31420864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 340, 416, 442, 520, 523, 544, 680, 884, 1040, 1046, 1105, 1360, 1768, 2080, 2092, 2210, 2615, 2720, 3536, 4184, 4420, 5230, 6799, 7072, 8368, 8840, 8891, 10460, 13598, 16736, 17680, 17782, 20920, 27196, 33995, 35360, 35564, 41840, 44455, 54392, 67990, 71128, 83680, 88910, 108784, 115583, 135980, 142256, 177820, 217568, 231166, 271960, 284512, 355640, 462332, 543920, 577915, 711280, 924664, 1087840, 1155830, 1422560, 1849328, 2311660, 3698656, 4623320, 9246640, 18493280]

約数ペア:

[(1, 18493280), (2, 9246640), (4, 4623320), (5, 3698656), (8, 2311660), (10, 1849328), (13, 1422560), (16, 1155830), (17, 1087840), (20, 924664), (26, 711280), (32, 577915), (34, 543920), (40, 462332), (52, 355640), (65, 284512), (68, 271960), (80, 231166), (85, 217568), (104, 177820), (130, 142256), (136, 135980), (160, 115583), (170, 108784), (208, 88910), (221, 83680), (260, 71128), (272, 67990), (340, 54392), (416, 44455), (442, 41840), (520, 35564), (523, 35360), (544, 33995), (680, 27196), (884, 20920), (1040, 17782), (1046, 17680), (1105, 16736), (1360, 13598), (1768, 10460), (2080, 8891), (2092, 8840), (2210, 8368), (2615, 7072), (2720, 6799), (3536, 5230), (4184, 4420)]