19957193392

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{9619}}^1$

素因数の和:9794

約数の個数: 80

約数和(自身を含む): 41225932800

約数和(自身を除く): 21268739408

約数列:

[1, 2, 4, 8, 16, 31, 47, 62, 89, 94, 124, 178, 188, 248, 356, 376, 496, 712, 752, 1424, 1457, 2759, 2914, 4183, 5518, 5828, 8366, 9619, 11036, 11656, 16732, 19238, 22072, 23312, 33464, 38476, 44144, 66928, 76952, 129673, 153904, 259346, 298189, 452093, 518692, 596378, 856091, 904186, 1037384, 1192756, 1712182, 1808372, 2074768, 2385512, 3424364, 3616744, 4771024, 6848728, 7233488, 13697456, 14014883, 26538821, 28029766, 40236277, 53077642, 56059532, 80472554, 106155284, 112119064, 160945108, 212310568, 224238128, 321890216, 424621136, 643780432, 1247324587, 2494649174, 4989298348, 9978596696, 19957193392]

約数ペア:

[(1, 19957193392), (2, 9978596696), (4, 4989298348), (8, 2494649174), (16, 1247324587), (31, 643780432), (47, 424621136), (62, 321890216), (89, 224238128), (94, 212310568), (124, 160945108), (178, 112119064), (188, 106155284), (248, 80472554), (356, 56059532), (376, 53077642), (496, 40236277), (712, 28029766), (752, 26538821), (1424, 14014883), (1457, 13697456), (2759, 7233488), (2914, 6848728), (4183, 4771024), (5518, 3616744), (5828, 3424364), (8366, 2385512), (9619, 2074768), (11036, 1808372), (11656, 1712182), (16732, 1192756), (19238, 1037384), (22072, 904186), (23312, 856091), (33464, 596378), (38476, 518692), (44144, 452093), (66928, 298189), (76952, 259346), (129673, 153904)]