18809910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:502

約数の個数: 96

約数和(自身を含む): 56796480

約数和(自身を除く): 37986570

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 73, 90, 105, 126, 146, 210, 219, 315, 365, 409, 438, 511, 630, 657, 730, 818, 1022, 1095, 1227, 1314, 1533, 2045, 2190, 2454, 2555, 2863, 3066, 3285, 3681, 4090, 4599, 5110, 5726, 6135, 6570, 7362, 7665, 8589, 9198, 12270, 14315, 15330, 17178, 18405, 22995, 25767, 28630, 29857, 36810, 42945, 45990, 51534, 59714, 85890, 89571, 128835, 149285, 179142, 208999, 257670, 268713, 298570, 417998, 447855, 537426, 626997, 895710, 1044995, 1253994, 1343565, 1880991, 2089990, 2687130, 3134985, 3761982, 6269970, 9404955, 18809910]

約数ペア:

[(1, 18809910), (2, 9404955), (3, 6269970), (5, 3761982), (6, 3134985), (7, 2687130), (9, 2089990), (10, 1880991), (14, 1343565), (15, 1253994), (18, 1044995), (21, 895710), (30, 626997), (35, 537426), (42, 447855), (45, 417998), (63, 298570), (70, 268713), (73, 257670), (90, 208999), (105, 179142), (126, 149285), (146, 128835), (210, 89571), (219, 85890), (315, 59714), (365, 51534), (409, 45990), (438, 42945), (511, 36810), (630, 29857), (657, 28630), (730, 25767), (818, 22995), (1022, 18405), (1095, 17178), (1227, 15330), (1314, 14315), (1533, 12270), (2045, 9198), (2190, 8589), (2454, 7665), (2555, 7362), (2863, 6570), (3066, 6135), (3285, 5726), (3681, 5110), (4090, 4599)]