18887748

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:497

約数の個数: 96

約数和(自身を含む): 53706240

約数和(自身を除く): 34818492

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 19, 22, 33, 34, 38, 44, 51, 57, 66, 68, 76, 102, 114, 132, 187, 204, 209, 228, 323, 374, 418, 443, 561, 627, 646, 748, 836, 886, 969, 1122, 1254, 1292, 1329, 1772, 1938, 2244, 2508, 2658, 3553, 3876, 4873, 5316, 7106, 7531, 8417, 9746, 10659, 14212, 14619, 15062, 16834, 19492, 21318, 22593, 25251, 29238, 30124, 33668, 42636, 45186, 50502, 58476, 82841, 90372, 92587, 101004, 143089, 165682, 185174, 248523, 277761, 286178, 331364, 370348, 429267, 497046, 555522, 572356, 858534, 994092, 1111044, 1573979, 1717068, 3147958, 4721937, 6295916, 9443874, 18887748]

約数ペア:

[(1, 18887748), (2, 9443874), (3, 6295916), (4, 4721937), (6, 3147958), (11, 1717068), (12, 1573979), (17, 1111044), (19, 994092), (22, 858534), (33, 572356), (34, 555522), (38, 497046), (44, 429267), (51, 370348), (57, 331364), (66, 286178), (68, 277761), (76, 248523), (102, 185174), (114, 165682), (132, 143089), (187, 101004), (204, 92587), (209, 90372), (228, 82841), (323, 58476), (374, 50502), (418, 45186), (443, 42636), (561, 33668), (627, 30124), (646, 29238), (748, 25251), (836, 22593), (886, 21318), (969, 19492), (1122, 16834), (1254, 15062), (1292, 14619), (1329, 14212), (1772, 10659), (1938, 9746), (2244, 8417), (2508, 7531), (2658, 7106), (3553, 5316), (3876, 4873)]