19365320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 47416320

約数和(自身を除く): 28051000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 167, 223, 260, 334, 446, 520, 668, 835, 892, 1115, 1336, 1670, 1784, 2171, 2230, 2899, 3340, 4342, 4460, 5798, 6680, 8684, 8920, 10855, 11596, 14495, 17368, 21710, 23192, 28990, 37241, 43420, 57980, 74482, 86840, 115960, 148964, 186205, 297928, 372410, 484133, 744820, 968266, 1489640, 1936532, 2420665, 3873064, 4841330, 9682660, 19365320]

約数ペア:

[(1, 19365320), (2, 9682660), (4, 4841330), (5, 3873064), (8, 2420665), (10, 1936532), (13, 1489640), (20, 968266), (26, 744820), (40, 484133), (52, 372410), (65, 297928), (104, 186205), (130, 148964), (167, 115960), (223, 86840), (260, 74482), (334, 57980), (446, 43420), (520, 37241), (668, 28990), (835, 23192), (892, 21710), (1115, 17368), (1336, 14495), (1670, 11596), (1784, 10855), (2171, 8920), (2230, 8684), (2899, 6680), (3340, 5798), (4342, 4460)]