19074860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 49351680

約数和(自身を除く): 30276820

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 71, 76, 95, 101, 133, 140, 142, 190, 202, 266, 284, 355, 380, 404, 497, 505, 532, 665, 707, 710, 994, 1010, 1330, 1349, 1414, 1420, 1919, 1988, 2020, 2485, 2660, 2698, 2828, 3535, 3838, 4970, 5396, 6745, 7070, 7171, 7676, 9443, 9595, 9940, 13433, 13490, 14140, 14342, 18886, 19190, 26866, 26980, 28684, 35855, 37772, 38380, 47215, 50197, 53732, 67165, 71710, 94430, 100394, 134330, 136249, 143420, 188860, 200788, 250985, 268660, 272498, 501970, 544996, 681245, 953743, 1003940, 1362490, 1907486, 2724980, 3814972, 4768715, 9537430, 19074860]

約数ペア:

[(1, 19074860), (2, 9537430), (4, 4768715), (5, 3814972), (7, 2724980), (10, 1907486), (14, 1362490), (19, 1003940), (20, 953743), (28, 681245), (35, 544996), (38, 501970), (70, 272498), (71, 268660), (76, 250985), (95, 200788), (101, 188860), (133, 143420), (140, 136249), (142, 134330), (190, 100394), (202, 94430), (266, 71710), (284, 67165), (355, 53732), (380, 50197), (404, 47215), (497, 38380), (505, 37772), (532, 35855), (665, 28684), (707, 26980), (710, 26866), (994, 19190), (1010, 18886), (1330, 14342), (1349, 14140), (1414, 13490), (1420, 13433), (1919, 9940), (1988, 9595), (2020, 9443), (2485, 7676), (2660, 7171), (2698, 7070), (2828, 6745), (3535, 5396), (3838, 4970)]