18757664

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1$

素因数の和:126

約数の個数: 72

約数和(自身を含む): 41483988

約数和(自身を除く): 22726324

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 41, 58, 68, 82, 116, 136, 164, 232, 272, 328, 464, 493, 544, 656, 697, 841, 928, 986, 1189, 1312, 1394, 1682, 1972, 2378, 2788, 3364, 3944, 4756, 5576, 6728, 7888, 9512, 11152, 13456, 14297, 15776, 19024, 20213, 22304, 26912, 28594, 34481, 38048, 40426, 57188, 68962, 80852, 114376, 137924, 161704, 228752, 275848, 323408, 457504, 551696, 586177, 646816, 1103392, 1172354, 2344708, 4689416, 9378832, 18757664]

約数ペア:

[(1, 18757664), (2, 9378832), (4, 4689416), (8, 2344708), (16, 1172354), (17, 1103392), (29, 646816), (32, 586177), (34, 551696), (41, 457504), (58, 323408), (68, 275848), (82, 228752), (116, 161704), (136, 137924), (164, 114376), (232, 80852), (272, 68962), (328, 57188), (464, 40426), (493, 38048), (544, 34481), (656, 28594), (697, 26912), (841, 22304), (928, 20213), (986, 19024), (1189, 15776), (1312, 14297), (1394, 13456), (1682, 11152), (1972, 9512), (2378, 7888), (2788, 6728), (3364, 5576), (3944, 4756)]