18446020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 22922300

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 227, 239, 340, 454, 478, 908, 956, 1135, 1195, 2270, 2390, 3859, 4063, 4540, 4780, 7718, 8126, 15436, 16252, 19295, 20315, 38590, 40630, 54253, 77180, 81260, 108506, 217012, 271265, 542530, 922301, 1085060, 1844602, 3689204, 4611505, 9223010, 18446020]

約数ペア:

[(1, 18446020), (2, 9223010), (4, 4611505), (5, 3689204), (10, 1844602), (17, 1085060), (20, 922301), (34, 542530), (68, 271265), (85, 217012), (170, 108506), (227, 81260), (239, 77180), (340, 54253), (454, 40630), (478, 38590), (908, 20315), (956, 19295), (1135, 16252), (1195, 15436), (2270, 8126), (2390, 7718), (3859, 4780), (4063, 4540)]