18891516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{941}}^1$

素因数の和:1194

約数の個数: 48

約数和(自身を含む): 50641920

約数和(自身を除く): 31750404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 239, 478, 717, 941, 956, 1434, 1673, 1882, 2823, 2868, 3346, 3764, 5019, 5646, 6587, 6692, 10038, 11292, 13174, 19761, 20076, 26348, 39522, 79044, 224899, 449798, 674697, 899596, 1349394, 1574293, 2698788, 3148586, 4722879, 6297172, 9445758, 18891516]

約数ペア:

[(1, 18891516), (2, 9445758), (3, 6297172), (4, 4722879), (6, 3148586), (7, 2698788), (12, 1574293), (14, 1349394), (21, 899596), (28, 674697), (42, 449798), (84, 224899), (239, 79044), (478, 39522), (717, 26348), (941, 20076), (956, 19761), (1434, 13174), (1673, 11292), (1882, 10038), (2823, 6692), (2868, 6587), (3346, 5646), (3764, 5019)]