19934670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:286

約数の個数: 96

約数和(自身を含む): 56733696

約数和(自身を除く): 36799026

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 71, 98, 105, 142, 147, 191, 210, 213, 245, 294, 355, 382, 426, 490, 497, 573, 710, 735, 955, 994, 1065, 1146, 1337, 1470, 1491, 1910, 2130, 2485, 2674, 2865, 2982, 3479, 4011, 4970, 5730, 6685, 6958, 7455, 8022, 9359, 10437, 13370, 13561, 14910, 17395, 18718, 20055, 20874, 27122, 28077, 34790, 40110, 40683, 46795, 52185, 56154, 67805, 81366, 93590, 94927, 104370, 135610, 140385, 189854, 203415, 280770, 284781, 406830, 474635, 569562, 664489, 949270, 1328978, 1423905, 1993467, 2847810, 3322445, 3986934, 6644890, 9967335, 19934670]

約数ペア:

[(1, 19934670), (2, 9967335), (3, 6644890), (5, 3986934), (6, 3322445), (7, 2847810), (10, 1993467), (14, 1423905), (15, 1328978), (21, 949270), (30, 664489), (35, 569562), (42, 474635), (49, 406830), (70, 284781), (71, 280770), (98, 203415), (105, 189854), (142, 140385), (147, 135610), (191, 104370), (210, 94927), (213, 93590), (245, 81366), (294, 67805), (355, 56154), (382, 52185), (426, 46795), (490, 40683), (497, 40110), (573, 34790), (710, 28077), (735, 27122), (955, 20874), (994, 20055), (1065, 18718), (1146, 17395), (1337, 14910), (1470, 13561), (1491, 13370), (1910, 10437), (2130, 9359), (2485, 8022), (2674, 7455), (2865, 6958), (2982, 6685), (3479, 5730), (4011, 4970)]