18071820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7723}}^1$

素因数の和:7751

約数の個数: 72

約数和(自身を含む): 59042256

約数和(自身を除く): 40970436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 7723, 15446, 23169, 30892, 38615, 46338, 69507, 77230, 92676, 100399, 115845, 139014, 154460, 200798, 231690, 278028, 301197, 347535, 401596, 463380, 501995, 602394, 695070, 903591, 1003990, 1204788, 1390140, 1505985, 1807182, 2007980, 3011970, 3614364, 4517955, 6023940, 9035910, 18071820]

約数ペア:

[(1, 18071820), (2, 9035910), (3, 6023940), (4, 4517955), (5, 3614364), (6, 3011970), (9, 2007980), (10, 1807182), (12, 1505985), (13, 1390140), (15, 1204788), (18, 1003990), (20, 903591), (26, 695070), (30, 602394), (36, 501995), (39, 463380), (45, 401596), (52, 347535), (60, 301197), (65, 278028), (78, 231690), (90, 200798), (117, 154460), (130, 139014), (156, 115845), (180, 100399), (195, 92676), (234, 77230), (260, 69507), (390, 46338), (468, 38615), (585, 30892), (780, 23169), (1170, 15446), (2340, 7723)]