18526430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 38864448

約数和(自身を除く): 20338018

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 83, 85, 101, 130, 166, 170, 202, 221, 415, 442, 505, 830, 1010, 1079, 1105, 1313, 1411, 1717, 2158, 2210, 2626, 2822, 3434, 5395, 6565, 7055, 8383, 8585, 10790, 13130, 14110, 16766, 17170, 18343, 22321, 36686, 41915, 44642, 83830, 91715, 108979, 111605, 142511, 183430, 217958, 223210, 285022, 544895, 712555, 1089790, 1425110, 1852643, 3705286, 9263215, 18526430]

約数ペア:

[(1, 18526430), (2, 9263215), (5, 3705286), (10, 1852643), (13, 1425110), (17, 1089790), (26, 712555), (34, 544895), (65, 285022), (83, 223210), (85, 217958), (101, 183430), (130, 142511), (166, 111605), (170, 108979), (202, 91715), (221, 83830), (415, 44642), (442, 41915), (505, 36686), (830, 22321), (1010, 18343), (1079, 17170), (1105, 16766), (1313, 14110), (1411, 13130), (1717, 10790), (2158, 8585), (2210, 8383), (2626, 7055), (2822, 6565), (3434, 5395)]