18937854

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{509}}^1$

素因数の和:586

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 27329346

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 53, 54, 78, 106, 117, 159, 234, 318, 351, 477, 509, 689, 702, 954, 1018, 1378, 1431, 1527, 2067, 2862, 3054, 4134, 4581, 6201, 6617, 9162, 12402, 13234, 13743, 18603, 19851, 26977, 27486, 37206, 39702, 53954, 59553, 80931, 119106, 161862, 178659, 242793, 350701, 357318, 485586, 701402, 728379, 1052103, 1456758, 2104206, 3156309, 6312618, 9468927, 18937854]

約数ペア:

[(1, 18937854), (2, 9468927), (3, 6312618), (6, 3156309), (9, 2104206), (13, 1456758), (18, 1052103), (26, 728379), (27, 701402), (39, 485586), (53, 357318), (54, 350701), (78, 242793), (106, 178659), (117, 161862), (159, 119106), (234, 80931), (318, 59553), (351, 53954), (477, 39702), (509, 37206), (689, 27486), (702, 26977), (954, 19851), (1018, 18603), (1378, 13743), (1431, 13234), (1527, 12402), (2067, 9162), (2862, 6617), (3054, 6201), (4134, 4581)]