18996930

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:565

約数の個数: 80

約数和(自身を含む): 52272000

約数和(自身を除く): 33275070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 47, 54, 81, 90, 94, 135, 141, 162, 235, 270, 282, 405, 423, 470, 499, 705, 810, 846, 998, 1269, 1410, 1497, 2115, 2495, 2538, 2994, 3807, 4230, 4491, 4990, 6345, 7485, 7614, 8982, 12690, 13473, 14970, 19035, 22455, 23453, 26946, 38070, 40419, 44910, 46906, 67365, 70359, 80838, 117265, 134730, 140718, 202095, 211077, 234530, 351795, 404190, 422154, 633231, 703590, 1055385, 1266462, 1899693, 2110770, 3166155, 3799386, 6332310, 9498465, 18996930]

約数ペア:

[(1, 18996930), (2, 9498465), (3, 6332310), (5, 3799386), (6, 3166155), (9, 2110770), (10, 1899693), (15, 1266462), (18, 1055385), (27, 703590), (30, 633231), (45, 422154), (47, 404190), (54, 351795), (81, 234530), (90, 211077), (94, 202095), (135, 140718), (141, 134730), (162, 117265), (235, 80838), (270, 70359), (282, 67365), (405, 46906), (423, 44910), (470, 40419), (499, 38070), (705, 26946), (810, 23453), (846, 22455), (998, 19035), (1269, 14970), (1410, 13473), (1497, 12690), (2115, 8982), (2495, 7614), (2538, 7485), (2994, 6345), (3807, 4990), (4230, 4491)]