18568920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{571}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 56010240

約数和(自身を除く): 37441320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 271, 542, 571, 813, 1084, 1142, 1355, 1626, 1713, 2168, 2284, 2710, 2855, 3252, 3426, 4065, 4568, 5420, 5710, 6504, 6852, 8130, 8565, 10840, 11420, 13704, 16260, 17130, 22840, 32520, 34260, 68520, 154741, 309482, 464223, 618964, 773705, 928446, 1237928, 1547410, 1856892, 2321115, 3094820, 3713784, 4642230, 6189640, 9284460, 18568920]

約数ペア:

[(1, 18568920), (2, 9284460), (3, 6189640), (4, 4642230), (5, 3713784), (6, 3094820), (8, 2321115), (10, 1856892), (12, 1547410), (15, 1237928), (20, 928446), (24, 773705), (30, 618964), (40, 464223), (60, 309482), (120, 154741), (271, 68520), (542, 34260), (571, 32520), (813, 22840), (1084, 17130), (1142, 16260), (1355, 13704), (1626, 11420), (1713, 10840), (2168, 8565), (2284, 8130), (2710, 6852), (2855, 6504), (3252, 5710), (3426, 5420), (4065, 4568)]