19646560

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:296

約数の個数: 96

約数和(自身を含む): 50948352

約数和(自身を除く): 31301792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 68, 80, 85, 124, 136, 155, 160, 170, 233, 248, 272, 310, 340, 466, 496, 527, 544, 620, 680, 932, 992, 1054, 1165, 1240, 1360, 1864, 2108, 2330, 2480, 2635, 2720, 3728, 3961, 4216, 4660, 4960, 5270, 7223, 7456, 7922, 8432, 9320, 10540, 14446, 15844, 16864, 18640, 19805, 21080, 28892, 31688, 36115, 37280, 39610, 42160, 57784, 63376, 72230, 79220, 84320, 115568, 122791, 126752, 144460, 158440, 231136, 245582, 288920, 316880, 491164, 577840, 613955, 633760, 982328, 1155680, 1227910, 1964656, 2455820, 3929312, 4911640, 9823280, 19646560]

約数ペア:

[(1, 19646560), (2, 9823280), (4, 4911640), (5, 3929312), (8, 2455820), (10, 1964656), (16, 1227910), (17, 1155680), (20, 982328), (31, 633760), (32, 613955), (34, 577840), (40, 491164), (62, 316880), (68, 288920), (80, 245582), (85, 231136), (124, 158440), (136, 144460), (155, 126752), (160, 122791), (170, 115568), (233, 84320), (248, 79220), (272, 72230), (310, 63376), (340, 57784), (466, 42160), (496, 39610), (527, 37280), (544, 36115), (620, 31688), (680, 28892), (932, 21080), (992, 19805), (1054, 18640), (1165, 16864), (1240, 15844), (1360, 14446), (1864, 10540), (2108, 9320), (2330, 8432), (2480, 7922), (2635, 7456), (2720, 7223), (3728, 5270), (3961, 4960), (4216, 4660)]