19747854

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{587}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 31055346

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 89, 126, 178, 189, 267, 378, 534, 587, 623, 801, 1174, 1246, 1602, 1761, 1869, 2403, 3522, 3738, 4109, 4806, 5283, 5607, 8218, 10566, 11214, 12327, 15849, 16821, 24654, 31698, 33642, 36981, 52243, 73962, 104486, 110943, 156729, 221886, 313458, 365701, 470187, 731402, 940374, 1097103, 1410561, 2194206, 2821122, 3291309, 6582618, 9873927, 19747854]

約数ペア:

[(1, 19747854), (2, 9873927), (3, 6582618), (6, 3291309), (7, 2821122), (9, 2194206), (14, 1410561), (18, 1097103), (21, 940374), (27, 731402), (42, 470187), (54, 365701), (63, 313458), (89, 221886), (126, 156729), (178, 110943), (189, 104486), (267, 73962), (378, 52243), (534, 36981), (587, 33642), (623, 31698), (801, 24654), (1174, 16821), (1246, 15849), (1602, 12327), (1761, 11214), (1869, 10566), (2403, 8218), (3522, 5607), (3738, 5283), (4109, 4806)]