18955734

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 26663466

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 79, 87, 158, 174, 197, 203, 237, 394, 406, 474, 553, 591, 609, 1106, 1182, 1218, 1379, 1659, 2291, 2758, 3318, 4137, 4582, 5713, 6873, 8274, 11426, 13746, 15563, 16037, 17139, 31126, 32074, 34278, 39991, 46689, 48111, 79982, 93378, 96222, 108941, 119973, 217882, 239946, 326823, 451327, 653646, 902654, 1353981, 2707962, 3159289, 6318578, 9477867, 18955734]

約数ペア:

[(1, 18955734), (2, 9477867), (3, 6318578), (6, 3159289), (7, 2707962), (14, 1353981), (21, 902654), (29, 653646), (42, 451327), (58, 326823), (79, 239946), (87, 217882), (158, 119973), (174, 108941), (197, 96222), (203, 93378), (237, 79982), (394, 48111), (406, 46689), (474, 39991), (553, 34278), (591, 32074), (609, 31126), (1106, 17139), (1182, 16037), (1218, 15563), (1379, 13746), (1659, 11426), (2291, 8274), (2758, 6873), (3318, 5713), (4137, 4582)]