19705620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 61165440

約数和(自身を除く): 41459820

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 73, 110, 132, 146, 165, 219, 220, 292, 330, 365, 409, 438, 660, 730, 803, 818, 876, 1095, 1227, 1460, 1606, 1636, 2045, 2190, 2409, 2454, 3212, 4015, 4090, 4380, 4499, 4818, 4908, 6135, 8030, 8180, 8998, 9636, 12045, 12270, 13497, 16060, 17996, 22495, 24090, 24540, 26994, 29857, 44990, 48180, 53988, 59714, 67485, 89571, 89980, 119428, 134970, 149285, 179142, 269940, 298570, 328427, 358284, 447855, 597140, 656854, 895710, 985281, 1313708, 1642135, 1791420, 1970562, 3284270, 3941124, 4926405, 6568540, 9852810, 19705620]

約数ペア:

[(1, 19705620), (2, 9852810), (3, 6568540), (4, 4926405), (5, 3941124), (6, 3284270), (10, 1970562), (11, 1791420), (12, 1642135), (15, 1313708), (20, 985281), (22, 895710), (30, 656854), (33, 597140), (44, 447855), (55, 358284), (60, 328427), (66, 298570), (73, 269940), (110, 179142), (132, 149285), (146, 134970), (165, 119428), (219, 89980), (220, 89571), (292, 67485), (330, 59714), (365, 53988), (409, 48180), (438, 44990), (660, 29857), (730, 26994), (803, 24540), (818, 24090), (876, 22495), (1095, 17996), (1227, 16060), (1460, 13497), (1606, 12270), (1636, 12045), (2045, 9636), (2190, 8998), (2409, 8180), (2454, 8030), (3212, 6135), (4015, 4908), (4090, 4818), (4380, 4499)]