19109530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{929}}^1$

素因数の和:975

約数の個数: 48

約数和(自身を含む): 40075560

約数和(自身を除く): 20966030

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 121, 170, 187, 242, 374, 605, 929, 935, 1210, 1858, 1870, 2057, 4114, 4645, 9290, 10219, 10285, 15793, 20438, 20570, 31586, 51095, 78965, 102190, 112409, 157930, 173723, 224818, 347446, 562045, 868615, 1124090, 1737230, 1910953, 3821906, 9554765, 19109530]

約数ペア:

[(1, 19109530), (2, 9554765), (5, 3821906), (10, 1910953), (11, 1737230), (17, 1124090), (22, 868615), (34, 562045), (55, 347446), (85, 224818), (110, 173723), (121, 157930), (170, 112409), (187, 102190), (242, 78965), (374, 51095), (605, 31586), (929, 20570), (935, 20438), (1210, 15793), (1858, 10285), (1870, 10219), (2057, 9290), (4114, 4645)]