19500180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1601}}^1$

素因数の和:1649

約数の個数: 96

約数和(自身を含む): 64592640

約数和(自身を除く): 45092460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 290, 348, 406, 420, 435, 580, 609, 812, 870, 1015, 1218, 1601, 1740, 2030, 2436, 3045, 3202, 4060, 4803, 6090, 6404, 8005, 9606, 11207, 12180, 16010, 19212, 22414, 24015, 32020, 33621, 44828, 46429, 48030, 56035, 67242, 92858, 96060, 112070, 134484, 139287, 168105, 185716, 224140, 232145, 278574, 325003, 336210, 464290, 557148, 650006, 672420, 696435, 928580, 975009, 1300012, 1392870, 1625015, 1950018, 2785740, 3250030, 3900036, 4875045, 6500060, 9750090, 19500180]

約数ペア:

[(1, 19500180), (2, 9750090), (3, 6500060), (4, 4875045), (5, 3900036), (6, 3250030), (7, 2785740), (10, 1950018), (12, 1625015), (14, 1392870), (15, 1300012), (20, 975009), (21, 928580), (28, 696435), (29, 672420), (30, 650006), (35, 557148), (42, 464290), (58, 336210), (60, 325003), (70, 278574), (84, 232145), (87, 224140), (105, 185716), (116, 168105), (140, 139287), (145, 134484), (174, 112070), (203, 96060), (210, 92858), (290, 67242), (348, 56035), (406, 48030), (420, 46429), (435, 44828), (580, 33621), (609, 32020), (812, 24015), (870, 22414), (1015, 19212), (1218, 16010), (1601, 12180), (1740, 11207), (2030, 9606), (2436, 8005), (3045, 6404), (3202, 6090), (4060, 4803)]