19641840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{367}}^1$

素因数の和:606

約数の個数: 80

約数和(自身を含む): 61329408

約数和(自身を除く): 41687568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 223, 240, 367, 446, 669, 734, 892, 1101, 1115, 1338, 1468, 1784, 1835, 2202, 2230, 2676, 2936, 3345, 3568, 3670, 4404, 4460, 5352, 5505, 5872, 6690, 7340, 8808, 8920, 10704, 11010, 13380, 14680, 17616, 17840, 22020, 26760, 29360, 44040, 53520, 81841, 88080, 163682, 245523, 327364, 409205, 491046, 654728, 818410, 982092, 1227615, 1309456, 1636820, 1964184, 2455230, 3273640, 3928368, 4910460, 6547280, 9820920, 19641840]

約数ペア:

[(1, 19641840), (2, 9820920), (3, 6547280), (4, 4910460), (5, 3928368), (6, 3273640), (8, 2455230), (10, 1964184), (12, 1636820), (15, 1309456), (16, 1227615), (20, 982092), (24, 818410), (30, 654728), (40, 491046), (48, 409205), (60, 327364), (80, 245523), (120, 163682), (223, 88080), (240, 81841), (367, 53520), (446, 44040), (669, 29360), (734, 26760), (892, 22020), (1101, 17840), (1115, 17616), (1338, 14680), (1468, 13380), (1784, 11010), (1835, 10704), (2202, 8920), (2230, 8808), (2676, 7340), (2936, 6690), (3345, 5872), (3568, 5505), (3670, 5352), (4404, 4460)]