18886076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 40325040

約数和(自身を除く): 21438964

約数列:

[1, 2, 4, 11, 19, 22, 29, 38, 41, 44, 58, 76, 82, 116, 164, 209, 319, 361, 418, 451, 551, 638, 722, 779, 836, 902, 1102, 1189, 1276, 1444, 1558, 1804, 2204, 2378, 3116, 3971, 4756, 6061, 7942, 8569, 10469, 12122, 13079, 14801, 15884, 17138, 20938, 22591, 24244, 26158, 29602, 34276, 41876, 45182, 52316, 59204, 90364, 115159, 162811, 230318, 248501, 325622, 429229, 460636, 497002, 651244, 858458, 994004, 1716916, 4721519, 9443038, 18886076]

約数ペア:

[(1, 18886076), (2, 9443038), (4, 4721519), (11, 1716916), (19, 994004), (22, 858458), (29, 651244), (38, 497002), (41, 460636), (44, 429229), (58, 325622), (76, 248501), (82, 230318), (116, 162811), (164, 115159), (209, 90364), (319, 59204), (361, 52316), (418, 45182), (451, 41876), (551, 34276), (638, 29602), (722, 26158), (779, 24244), (836, 22591), (902, 20938), (1102, 17138), (1189, 15884), (1276, 14801), (1444, 13079), (1558, 12122), (1804, 10469), (2204, 8569), (2378, 7942), (3116, 6061), (3971, 4756)]