18938010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1028

約数の個数: 96

約数和(自身を含む): 56996352

約数和(自身を除く): 38058342

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 49, 65, 70, 78, 91, 98, 105, 130, 147, 182, 195, 210, 245, 273, 294, 390, 455, 490, 546, 637, 735, 910, 991, 1274, 1365, 1470, 1911, 1982, 2730, 2973, 3185, 3822, 4955, 5946, 6370, 6937, 9555, 9910, 12883, 13874, 14865, 19110, 20811, 25766, 29730, 34685, 38649, 41622, 48559, 64415, 69370, 77298, 90181, 97118, 104055, 128830, 145677, 180362, 193245, 208110, 242795, 270543, 291354, 386490, 450905, 485590, 541086, 631267, 728385, 901810, 1262534, 1352715, 1456770, 1893801, 2705430, 3156335, 3787602, 6312670, 9469005, 18938010]

約数ペア:

[(1, 18938010), (2, 9469005), (3, 6312670), (5, 3787602), (6, 3156335), (7, 2705430), (10, 1893801), (13, 1456770), (14, 1352715), (15, 1262534), (21, 901810), (26, 728385), (30, 631267), (35, 541086), (39, 485590), (42, 450905), (49, 386490), (65, 291354), (70, 270543), (78, 242795), (91, 208110), (98, 193245), (105, 180362), (130, 145677), (147, 128830), (182, 104055), (195, 97118), (210, 90181), (245, 77298), (273, 69370), (294, 64415), (390, 48559), (455, 41622), (490, 38649), (546, 34685), (637, 29730), (735, 25766), (910, 20811), (991, 19110), (1274, 14865), (1365, 13874), (1470, 12883), (1911, 9910), (1982, 9555), (2730, 6937), (2973, 6370), (3185, 5946), (3822, 4955)]