18980052

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{191}}^1$

素因数の和:238

約数の個数: 108

約数和(自身を含む): 56077056

約数和(自身を除く): 37097004

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 169, 182, 191, 196, 273, 294, 338, 364, 382, 507, 546, 573, 588, 637, 676, 764, 1014, 1092, 1146, 1183, 1274, 1337, 1911, 2028, 2292, 2366, 2483, 2548, 2674, 3549, 3822, 4011, 4732, 4966, 5348, 7098, 7449, 7644, 8022, 8281, 9359, 9932, 14196, 14898, 16044, 16562, 17381, 18718, 24843, 28077, 29796, 32279, 33124, 34762, 37436, 49686, 52143, 56154, 64558, 69524, 96837, 99372, 104286, 112308, 121667, 129116, 193674, 208572, 225953, 243334, 365001, 387348, 451906, 486668, 677859, 730002, 903812, 1355718, 1460004, 1581671, 2711436, 3163342, 4745013, 6326684, 9490026, 18980052]

約数ペア:

[(1, 18980052), (2, 9490026), (3, 6326684), (4, 4745013), (6, 3163342), (7, 2711436), (12, 1581671), (13, 1460004), (14, 1355718), (21, 903812), (26, 730002), (28, 677859), (39, 486668), (42, 451906), (49, 387348), (52, 365001), (78, 243334), (84, 225953), (91, 208572), (98, 193674), (147, 129116), (156, 121667), (169, 112308), (182, 104286), (191, 99372), (196, 96837), (273, 69524), (294, 64558), (338, 56154), (364, 52143), (382, 49686), (507, 37436), (546, 34762), (573, 33124), (588, 32279), (637, 29796), (676, 28077), (764, 24843), (1014, 18718), (1092, 17381), (1146, 16562), (1183, 16044), (1274, 14898), (1337, 14196), (1911, 9932), (2028, 9359), (2292, 8281), (2366, 8022), (2483, 7644), (2548, 7449), (2674, 7098), (3549, 5348), (3822, 4966), (4011, 4732)]