1918411460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{7411}}^1$

素因数の和:7513

約数の個数: 72

約数和(自身を含む): 4714387776

約数和(自身を除く): 2795976316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 1849, 3010, 3698, 6020, 7396, 7411, 9245, 12943, 14822, 18490, 25886, 29644, 36980, 37055, 51772, 51877, 64715, 74110, 103754, 129430, 148220, 207508, 258860, 259385, 318673, 518770, 637346, 1037540, 1274692, 1593365, 2230711, 3186730, 4461422, 6373460, 8922844, 11153555, 13702939, 22307110, 27405878, 44614220, 54811756, 68514695, 95920573, 137029390, 191841146, 274058780, 383682292, 479602865, 959205730, 1918411460]

約数ペア:

[(1, 1918411460), (2, 959205730), (4, 479602865), (5, 383682292), (7, 274058780), (10, 191841146), (14, 137029390), (20, 95920573), (28, 68514695), (35, 54811756), (43, 44614220), (70, 27405878), (86, 22307110), (140, 13702939), (172, 11153555), (215, 8922844), (301, 6373460), (430, 4461422), (602, 3186730), (860, 2230711), (1204, 1593365), (1505, 1274692), (1849, 1037540), (3010, 637346), (3698, 518770), (6020, 318673), (7396, 259385), (7411, 258860), (9245, 207508), (12943, 148220), (14822, 129430), (18490, 103754), (25886, 74110), (29644, 64715), (36980, 51877), (37055, 51772)]