18766436

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 39844224

約数和(自身を除く): 21077788

約数列:

[1, 2, 4, 13, 17, 23, 26, 34, 46, 52, 68, 71, 92, 142, 169, 221, 284, 299, 338, 391, 442, 598, 676, 782, 884, 923, 1196, 1207, 1564, 1633, 1846, 2414, 2873, 3266, 3692, 3887, 4828, 5083, 5746, 6532, 7774, 10166, 11492, 11999, 15548, 15691, 20332, 21229, 23998, 27761, 31382, 42458, 47996, 55522, 62764, 66079, 84916, 111044, 132158, 203983, 264316, 275977, 360893, 407966, 551954, 721786, 815932, 1103908, 1443572, 4691609, 9383218, 18766436]

約数ペア:

[(1, 18766436), (2, 9383218), (4, 4691609), (13, 1443572), (17, 1103908), (23, 815932), (26, 721786), (34, 551954), (46, 407966), (52, 360893), (68, 275977), (71, 264316), (92, 203983), (142, 132158), (169, 111044), (221, 84916), (284, 66079), (299, 62764), (338, 55522), (391, 47996), (442, 42458), (598, 31382), (676, 27761), (782, 23998), (884, 21229), (923, 20332), (1196, 15691), (1207, 15548), (1564, 11999), (1633, 11492), (1846, 10166), (2414, 7774), (2873, 6532), (3266, 5746), (3692, 5083), (3887, 4828)]