19935006020

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{653}}^1\times {\mathrm{3643}}^1$

素因数の和:4724

約数の個数: 48

約数和(自身を含む): 42039224640

約数和(自身を除く): 22104218620

約数列:

[1, 2, 4, 5, 10, 20, 419, 653, 838, 1306, 1676, 2095, 2612, 3265, 3643, 4190, 6530, 7286, 8380, 13060, 14572, 18215, 36430, 72860, 273607, 547214, 1094428, 1368035, 1526417, 2378879, 2736070, 3052834, 4757758, 5472140, 6105668, 7632085, 9515516, 11894395, 15264170, 23788790, 30528340, 47577580, 996750301, 1993500602, 3987001204, 4983751505, 9967503010, 19935006020]

約数ペア:

[(1, 19935006020), (2, 9967503010), (4, 4983751505), (5, 3987001204), (10, 1993500602), (20, 996750301), (419, 47577580), (653, 30528340), (838, 23788790), (1306, 15264170), (1676, 11894395), (2095, 9515516), (2612, 7632085), (3265, 6105668), (3643, 5472140), (4190, 4757758), (6530, 3052834), (7286, 2736070), (8380, 2378879), (13060, 1526417), (14572, 1368035), (18215, 1094428), (36430, 547214), (72860, 273607)]