18476900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 44075304

約数和(自身を除く): 25598404

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 61, 65, 100, 122, 130, 233, 244, 260, 305, 325, 466, 610, 650, 793, 932, 1165, 1220, 1300, 1525, 1586, 2330, 3029, 3050, 3172, 3965, 4660, 5825, 6058, 6100, 7930, 11650, 12116, 14213, 15145, 15860, 19825, 23300, 28426, 30290, 39650, 56852, 60580, 71065, 75725, 79300, 142130, 151450, 184769, 284260, 302900, 355325, 369538, 710650, 739076, 923845, 1421300, 1847690, 3695380, 4619225, 9238450, 18476900]

約数ペア:

[(1, 18476900), (2, 9238450), (4, 4619225), (5, 3695380), (10, 1847690), (13, 1421300), (20, 923845), (25, 739076), (26, 710650), (50, 369538), (52, 355325), (61, 302900), (65, 284260), (100, 184769), (122, 151450), (130, 142130), (233, 79300), (244, 75725), (260, 71065), (305, 60580), (325, 56852), (466, 39650), (610, 30290), (650, 28426), (793, 23300), (932, 19825), (1165, 15860), (1220, 15145), (1300, 14213), (1525, 12116), (1586, 11650), (2330, 7930), (3029, 6100), (3050, 6058), (3172, 5825), (3965, 4660)]