18955482

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 28218918

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 149, 182, 233, 273, 298, 447, 466, 546, 699, 894, 1043, 1398, 1631, 1937, 2086, 3029, 3129, 3262, 3874, 4893, 5811, 6058, 6258, 9087, 9786, 11622, 13559, 18174, 21203, 27118, 34717, 40677, 42406, 63609, 69434, 81354, 104151, 127218, 208302, 243019, 451321, 486038, 729057, 902642, 1353963, 1458114, 2707926, 3159247, 6318494, 9477741, 18955482]

約数ペア:

[(1, 18955482), (2, 9477741), (3, 6318494), (6, 3159247), (7, 2707926), (13, 1458114), (14, 1353963), (21, 902642), (26, 729057), (39, 486038), (42, 451321), (78, 243019), (91, 208302), (149, 127218), (182, 104151), (233, 81354), (273, 69434), (298, 63609), (447, 42406), (466, 40677), (546, 34717), (699, 27118), (894, 21203), (1043, 18174), (1398, 13559), (1631, 11622), (1937, 9786), (2086, 9087), (3029, 6258), (3129, 6058), (3262, 5811), (3874, 4893)]