19137560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 49410000

約数和(自身を除く): 30272440

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 149, 152, 169, 190, 247, 260, 298, 338, 380, 494, 520, 596, 676, 745, 760, 845, 988, 1192, 1235, 1352, 1490, 1690, 1937, 1976, 2470, 2831, 2980, 3211, 3380, 3874, 4940, 5662, 5960, 6422, 6760, 7748, 9685, 9880, 11324, 12844, 14155, 15496, 16055, 19370, 22648, 25181, 25688, 28310, 32110, 36803, 38740, 50362, 56620, 64220, 73606, 77480, 100724, 113240, 125905, 128440, 147212, 184015, 201448, 251810, 294424, 368030, 478439, 503620, 736060, 956878, 1007240, 1472120, 1913756, 2392195, 3827512, 4784390, 9568780, 19137560]

約数ペア:

[(1, 19137560), (2, 9568780), (4, 4784390), (5, 3827512), (8, 2392195), (10, 1913756), (13, 1472120), (19, 1007240), (20, 956878), (26, 736060), (38, 503620), (40, 478439), (52, 368030), (65, 294424), (76, 251810), (95, 201448), (104, 184015), (130, 147212), (149, 128440), (152, 125905), (169, 113240), (190, 100724), (247, 77480), (260, 73606), (298, 64220), (338, 56620), (380, 50362), (494, 38740), (520, 36803), (596, 32110), (676, 28310), (745, 25688), (760, 25181), (845, 22648), (988, 19370), (1192, 16055), (1235, 15496), (1352, 14155), (1490, 12844), (1690, 11324), (1937, 9880), (1976, 9685), (2470, 7748), (2831, 6760), (2980, 6422), (3211, 5960), (3380, 5662), (3874, 4940)]