19372460

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 42747264

約数和(自身を除く): 23374804

約数列:

[1, 2, 4, 5, 10, 20, 37, 47, 74, 94, 148, 185, 188, 235, 370, 470, 557, 740, 940, 1114, 1739, 2228, 2785, 3478, 5570, 6956, 8695, 11140, 17390, 20609, 26179, 34780, 41218, 52358, 82436, 103045, 104716, 130895, 206090, 261790, 412180, 523580, 968623, 1937246, 3874492, 4843115, 9686230, 19372460]

約数ペア:

[(1, 19372460), (2, 9686230), (4, 4843115), (5, 3874492), (10, 1937246), (20, 968623), (37, 523580), (47, 412180), (74, 261790), (94, 206090), (148, 130895), (185, 104716), (188, 103045), (235, 82436), (370, 52358), (470, 41218), (557, 34780), (740, 26179), (940, 20609), (1114, 17390), (1739, 11140), (2228, 8695), (2785, 6956), (3478, 5570)]