19293170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 40279680

約数和(自身を除く): 20986510

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 73, 95, 107, 130, 146, 190, 214, 247, 365, 494, 535, 730, 949, 1070, 1235, 1387, 1391, 1898, 2033, 2470, 2774, 2782, 4066, 4745, 6935, 6955, 7811, 9490, 10165, 13870, 13910, 15622, 18031, 20330, 26429, 36062, 39055, 52858, 78110, 90155, 101543, 132145, 148409, 180310, 203086, 264290, 296818, 507715, 742045, 1015430, 1484090, 1929317, 3858634, 9646585, 19293170]

約数ペア:

[(1, 19293170), (2, 9646585), (5, 3858634), (10, 1929317), (13, 1484090), (19, 1015430), (26, 742045), (38, 507715), (65, 296818), (73, 264290), (95, 203086), (107, 180310), (130, 148409), (146, 132145), (190, 101543), (214, 90155), (247, 78110), (365, 52858), (494, 39055), (535, 36062), (730, 26429), (949, 20330), (1070, 18031), (1235, 15622), (1387, 13910), (1391, 13870), (1898, 10165), (2033, 9490), (2470, 7811), (2774, 6955), (2782, 6935), (4066, 4745)]