18892020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1451}}^1$

素因数の和:1501

約数の個数: 96

約数和(自身を含む): 62447616

約数和(自身を除く): 43555596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1451, 1860, 2170, 2604, 2902, 3255, 4340, 4353, 5804, 6510, 7255, 8706, 10157, 13020, 14510, 17412, 20314, 21765, 29020, 30471, 40628, 43530, 44981, 50785, 60942, 87060, 89962, 101570, 121884, 134943, 152355, 179924, 203140, 224905, 269886, 304710, 314867, 449810, 539772, 609420, 629734, 674715, 899620, 944601, 1259468, 1349430, 1574335, 1889202, 2698860, 3148670, 3778404, 4723005, 6297340, 9446010, 18892020]

約数ペア:

[(1, 18892020), (2, 9446010), (3, 6297340), (4, 4723005), (5, 3778404), (6, 3148670), (7, 2698860), (10, 1889202), (12, 1574335), (14, 1349430), (15, 1259468), (20, 944601), (21, 899620), (28, 674715), (30, 629734), (31, 609420), (35, 539772), (42, 449810), (60, 314867), (62, 304710), (70, 269886), (84, 224905), (93, 203140), (105, 179924), (124, 152355), (140, 134943), (155, 121884), (186, 101570), (210, 89962), (217, 87060), (310, 60942), (372, 50785), (420, 44981), (434, 43530), (465, 40628), (620, 30471), (651, 29020), (868, 21765), (930, 20314), (1085, 17412), (1302, 14510), (1451, 13020), (1860, 10157), (2170, 8706), (2604, 7255), (2902, 6510), (3255, 5804), (4340, 4353)]