19027840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2287}}^1$

素因数の和:2319

約数の個数: 64

約数和(自身を含む): 49008960

約数和(自身を除く): 29981120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 2287, 4160, 4574, 8320, 9148, 11435, 18296, 22870, 29731, 36592, 45740, 59462, 73184, 91480, 118924, 146368, 148655, 182960, 237848, 292736, 297310, 365920, 475696, 594620, 731840, 951392, 1189240, 1463680, 1902784, 2378480, 3805568, 4756960, 9513920, 19027840]

約数ペア:

[(1, 19027840), (2, 9513920), (4, 4756960), (5, 3805568), (8, 2378480), (10, 1902784), (13, 1463680), (16, 1189240), (20, 951392), (26, 731840), (32, 594620), (40, 475696), (52, 365920), (64, 297310), (65, 292736), (80, 237848), (104, 182960), (128, 148655), (130, 146368), (160, 118924), (208, 91480), (260, 73184), (320, 59462), (416, 45740), (520, 36592), (640, 29731), (832, 22870), (1040, 18296), (1664, 11435), (2080, 9148), (2287, 8320), (4160, 4574)]