19316360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{463}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 50112000

約数和(自身を除く): 30795640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 463, 596, 745, 926, 1043, 1192, 1490, 1852, 2086, 2315, 2980, 3241, 3704, 4172, 4630, 5215, 5960, 6482, 8344, 9260, 10430, 12964, 16205, 18520, 20860, 25928, 32410, 41720, 64820, 68987, 129640, 137974, 275948, 344935, 482909, 551896, 689870, 965818, 1379740, 1931636, 2414545, 2759480, 3863272, 4829090, 9658180, 19316360]

約数ペア:

[(1, 19316360), (2, 9658180), (4, 4829090), (5, 3863272), (7, 2759480), (8, 2414545), (10, 1931636), (14, 1379740), (20, 965818), (28, 689870), (35, 551896), (40, 482909), (56, 344935), (70, 275948), (140, 137974), (149, 129640), (280, 68987), (298, 64820), (463, 41720), (596, 32410), (745, 25928), (926, 20860), (1043, 18520), (1192, 16205), (1490, 12964), (1852, 10430), (2086, 9260), (2315, 8344), (2980, 6482), (3241, 5960), (3704, 5215), (4172, 4630)]