19631220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1087}}^1$

素因数の和:1149

約数の個数: 96

約数和(自身を含む): 64339968

約数和(自身を除く): 44708748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 210, 215, 258, 301, 420, 430, 516, 602, 645, 860, 903, 1087, 1204, 1290, 1505, 1806, 2174, 2580, 3010, 3261, 3612, 4348, 4515, 5435, 6020, 6522, 7609, 9030, 10870, 13044, 15218, 16305, 18060, 21740, 22827, 30436, 32610, 38045, 45654, 46741, 65220, 76090, 91308, 93482, 114135, 140223, 152180, 186964, 228270, 233705, 280446, 327187, 456540, 467410, 560892, 654374, 701115, 934820, 981561, 1308748, 1402230, 1635935, 1963122, 2804460, 3271870, 3926244, 4907805, 6543740, 9815610, 19631220]

約数ペア:

[(1, 19631220), (2, 9815610), (3, 6543740), (4, 4907805), (5, 3926244), (6, 3271870), (7, 2804460), (10, 1963122), (12, 1635935), (14, 1402230), (15, 1308748), (20, 981561), (21, 934820), (28, 701115), (30, 654374), (35, 560892), (42, 467410), (43, 456540), (60, 327187), (70, 280446), (84, 233705), (86, 228270), (105, 186964), (129, 152180), (140, 140223), (172, 114135), (210, 93482), (215, 91308), (258, 76090), (301, 65220), (420, 46741), (430, 45654), (516, 38045), (602, 32610), (645, 30436), (860, 22827), (903, 21740), (1087, 18060), (1204, 16305), (1290, 15218), (1505, 13044), (1806, 10870), (2174, 9030), (2580, 7609), (3010, 6522), (3261, 6020), (3612, 5435), (4348, 4515)]