19878372

素因数分解:

$2^2\times 3^6\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:440

約数の個数: 84

約数和(自身を含む): 55362636

約数和(自身を除く): 35484264

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 204, 243, 306, 324, 401, 459, 486, 612, 729, 802, 918, 972, 1203, 1377, 1458, 1604, 1836, 2406, 2754, 2916, 3609, 4131, 4812, 5508, 6817, 7218, 8262, 10827, 12393, 13634, 14436, 16524, 20451, 21654, 24786, 27268, 32481, 40902, 43308, 49572, 61353, 64962, 81804, 97443, 122706, 129924, 184059, 194886, 245412, 292329, 368118, 389772, 552177, 584658, 736236, 1104354, 1169316, 1656531, 2208708, 3313062, 4969593, 6626124, 9939186, 19878372]

約数ペア:

[(1, 19878372), (2, 9939186), (3, 6626124), (4, 4969593), (6, 3313062), (9, 2208708), (12, 1656531), (17, 1169316), (18, 1104354), (27, 736236), (34, 584658), (36, 552177), (51, 389772), (54, 368118), (68, 292329), (81, 245412), (102, 194886), (108, 184059), (153, 129924), (162, 122706), (204, 97443), (243, 81804), (306, 64962), (324, 61353), (401, 49572), (459, 43308), (486, 40902), (612, 32481), (729, 27268), (802, 24786), (918, 21654), (972, 20451), (1203, 16524), (1377, 14436), (1458, 13634), (1604, 12393), (1836, 10827), (2406, 8262), (2754, 7218), (2916, 6817), (3609, 5508), (4131, 4812)]