19104680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 51477120

約数和(自身を除く): 32372440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 71, 124, 140, 142, 155, 217, 248, 280, 284, 310, 355, 434, 497, 568, 620, 710, 868, 961, 994, 1085, 1240, 1420, 1736, 1922, 1988, 2170, 2201, 2485, 2840, 3844, 3976, 4340, 4402, 4805, 4970, 6727, 7688, 8680, 8804, 9610, 9940, 11005, 13454, 15407, 17608, 19220, 19880, 22010, 26908, 30814, 33635, 38440, 44020, 53816, 61628, 67270, 68231, 77035, 88040, 123256, 134540, 136462, 154070, 269080, 272924, 308140, 341155, 477617, 545848, 616280, 682310, 955234, 1364620, 1910468, 2388085, 2729240, 3820936, 4776170, 9552340, 19104680]

約数ペア:

[(1, 19104680), (2, 9552340), (4, 4776170), (5, 3820936), (7, 2729240), (8, 2388085), (10, 1910468), (14, 1364620), (20, 955234), (28, 682310), (31, 616280), (35, 545848), (40, 477617), (56, 341155), (62, 308140), (70, 272924), (71, 269080), (124, 154070), (140, 136462), (142, 134540), (155, 123256), (217, 88040), (248, 77035), (280, 68231), (284, 67270), (310, 61628), (355, 53816), (434, 44020), (497, 38440), (568, 33635), (620, 30814), (710, 26908), (868, 22010), (961, 19880), (994, 19220), (1085, 17608), (1240, 15407), (1420, 13454), (1736, 11005), (1922, 9940), (1988, 9610), (2170, 8804), (2201, 8680), (2485, 7688), (2840, 6727), (3844, 4970), (3976, 4805), (4340, 4402)]