18874476

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 50122800

約数和(自身を除く): 31248324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 101, 116, 174, 179, 202, 261, 303, 348, 358, 404, 522, 537, 606, 716, 909, 1044, 1074, 1212, 1611, 1818, 2148, 2929, 3222, 3636, 5191, 5858, 6444, 8787, 10382, 11716, 15573, 17574, 18079, 20764, 26361, 31146, 35148, 36158, 46719, 52722, 54237, 62292, 72316, 93438, 105444, 108474, 162711, 186876, 216948, 325422, 524291, 650844, 1048582, 1572873, 2097164, 3145746, 4718619, 6291492, 9437238, 18874476]

約数ペア:

[(1, 18874476), (2, 9437238), (3, 6291492), (4, 4718619), (6, 3145746), (9, 2097164), (12, 1572873), (18, 1048582), (29, 650844), (36, 524291), (58, 325422), (87, 216948), (101, 186876), (116, 162711), (174, 108474), (179, 105444), (202, 93438), (261, 72316), (303, 62292), (348, 54237), (358, 52722), (404, 46719), (522, 36158), (537, 35148), (606, 31146), (716, 26361), (909, 20764), (1044, 18079), (1074, 17574), (1212, 15573), (1611, 11716), (1818, 10382), (2148, 8787), (2929, 6444), (3222, 5858), (3636, 5191)]