18971160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12161}}^1$

素因数の和:12188

約数の個数: 64

約数和(自身を含む): 61296480

約数和(自身を除く): 42325320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12161, 24322, 36483, 48644, 60805, 72966, 97288, 121610, 145932, 158093, 182415, 243220, 291864, 316186, 364830, 474279, 486440, 632372, 729660, 790465, 948558, 1264744, 1459320, 1580930, 1897116, 2371395, 3161860, 3794232, 4742790, 6323720, 9485580, 18971160]

約数ペア:

[(1, 18971160), (2, 9485580), (3, 6323720), (4, 4742790), (5, 3794232), (6, 3161860), (8, 2371395), (10, 1897116), (12, 1580930), (13, 1459320), (15, 1264744), (20, 948558), (24, 790465), (26, 729660), (30, 632372), (39, 486440), (40, 474279), (52, 364830), (60, 316186), (65, 291864), (78, 243220), (104, 182415), (120, 158093), (130, 145932), (156, 121610), (195, 97288), (260, 72966), (312, 60805), (390, 48644), (520, 36483), (780, 24322), (1560, 12161)]