19283320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1129}}^1$

素因数の和:1208

約数の個数: 64

約数和(自身を含む): 50443200

約数和(自身を除く): 31159880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1129, 1220, 1708, 2135, 2258, 2440, 3416, 4270, 4516, 5645, 7903, 8540, 9032, 11290, 15806, 17080, 22580, 31612, 39515, 45160, 63224, 68869, 79030, 137738, 158060, 275476, 316120, 344345, 482083, 550952, 688690, 964166, 1377380, 1928332, 2410415, 2754760, 3856664, 4820830, 9641660, 19283320]

約数ペア:

[(1, 19283320), (2, 9641660), (4, 4820830), (5, 3856664), (7, 2754760), (8, 2410415), (10, 1928332), (14, 1377380), (20, 964166), (28, 688690), (35, 550952), (40, 482083), (56, 344345), (61, 316120), (70, 275476), (122, 158060), (140, 137738), (244, 79030), (280, 68869), (305, 63224), (427, 45160), (488, 39515), (610, 31612), (854, 22580), (1129, 17080), (1220, 15806), (1708, 11290), (2135, 9032), (2258, 8540), (2440, 7903), (3416, 5645), (4270, 4516)]