18919236

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2851}}^1$

素因数の和:2944

約数の個数: 48

約数和(自身を含む): 51107840

約数和(自身を除く): 32188604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 158, 237, 316, 474, 553, 948, 1106, 1659, 2212, 2851, 3318, 5702, 6636, 8553, 11404, 17106, 19957, 34212, 39914, 59871, 79828, 119742, 225229, 239484, 450458, 675687, 900916, 1351374, 1576603, 2702748, 3153206, 4729809, 6306412, 9459618, 18919236]

約数ペア:

[(1, 18919236), (2, 9459618), (3, 6306412), (4, 4729809), (6, 3153206), (7, 2702748), (12, 1576603), (14, 1351374), (21, 900916), (28, 675687), (42, 450458), (79, 239484), (84, 225229), (158, 119742), (237, 79828), (316, 59871), (474, 39914), (553, 34212), (948, 19957), (1106, 17106), (1659, 11404), (2212, 8553), (2851, 6636), (3318, 5702)]