18941230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1447}}^1$

素因数の和:1489

約数の個数: 64

約数和(自身を含む): 45038592

約数和(自身を除く): 26097362

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 55, 70, 77, 85, 110, 119, 154, 170, 187, 238, 374, 385, 595, 770, 935, 1190, 1309, 1447, 1870, 2618, 2894, 6545, 7235, 10129, 13090, 14470, 15917, 20258, 24599, 31834, 49198, 50645, 79585, 101290, 111419, 122995, 159170, 172193, 222838, 245990, 270589, 344386, 541178, 557095, 860965, 1114190, 1352945, 1721930, 1894123, 2705890, 3788246, 9470615, 18941230]

約数ペア:

[(1, 18941230), (2, 9470615), (5, 3788246), (7, 2705890), (10, 1894123), (11, 1721930), (14, 1352945), (17, 1114190), (22, 860965), (34, 557095), (35, 541178), (55, 344386), (70, 270589), (77, 245990), (85, 222838), (110, 172193), (119, 159170), (154, 122995), (170, 111419), (187, 101290), (238, 79585), (374, 50645), (385, 49198), (595, 31834), (770, 24599), (935, 20258), (1190, 15917), (1309, 14470), (1447, 13090), (1870, 10129), (2618, 7235), (2894, 6545)]