18491655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:101

約数の個数: 128

約数和(自身を含む): 41287680

約数和(自身を除く): 22796025

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 23, 31, 35, 39, 57, 65, 69, 91, 93, 95, 105, 115, 133, 155, 161, 195, 217, 247, 273, 285, 299, 345, 399, 403, 437, 455, 465, 483, 589, 651, 665, 713, 741, 805, 897, 1085, 1209, 1235, 1311, 1365, 1495, 1729, 1767, 1995, 2015, 2093, 2139, 2185, 2415, 2821, 2945, 3059, 3255, 3565, 3705, 4123, 4485, 4991, 5187, 5681, 6045, 6279, 6555, 7657, 8463, 8645, 8835, 9177, 9269, 10465, 10695, 12369, 13547, 14105, 14973, 15295, 17043, 20615, 22971, 24955, 25935, 27807, 28405, 31395, 38285, 39767, 40641, 42315, 45885, 46345, 53599, 61845, 64883, 67735, 74865, 85215, 94829, 114855, 119301, 139035, 160797, 176111, 194649, 198835, 203205, 267995, 284487, 324415, 474145, 528333, 596505, 803985, 880555, 973245, 1232777, 1422435, 2641665, 3698331, 6163885, 18491655]

約数ペア:

[(1, 18491655), (3, 6163885), (5, 3698331), (7, 2641665), (13, 1422435), (15, 1232777), (19, 973245), (21, 880555), (23, 803985), (31, 596505), (35, 528333), (39, 474145), (57, 324415), (65, 284487), (69, 267995), (91, 203205), (93, 198835), (95, 194649), (105, 176111), (115, 160797), (133, 139035), (155, 119301), (161, 114855), (195, 94829), (217, 85215), (247, 74865), (273, 67735), (285, 64883), (299, 61845), (345, 53599), (399, 46345), (403, 45885), (437, 42315), (455, 40641), (465, 39767), (483, 38285), (589, 31395), (651, 28405), (665, 27807), (713, 25935), (741, 24955), (805, 22971), (897, 20615), (1085, 17043), (1209, 15295), (1235, 14973), (1311, 14105), (1365, 13547), (1495, 12369), (1729, 10695), (1767, 10465), (1995, 9269), (2015, 9177), (2093, 8835), (2139, 8645), (2185, 8463), (2415, 7657), (2821, 6555), (2945, 6279), (3059, 6045), (3255, 5681), (3565, 5187), (3705, 4991), (4123, 4485)]