18826796

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 36664320

約数和(自身を除く): 17837524

約数列:

[1, 2, 4, 19, 31, 38, 61, 62, 76, 122, 124, 131, 244, 262, 524, 589, 1159, 1178, 1891, 2318, 2356, 2489, 3782, 4061, 4636, 4978, 7564, 7991, 8122, 9956, 15982, 16244, 31964, 35929, 71858, 77159, 143716, 151829, 154318, 247721, 303658, 308636, 495442, 607316, 990884, 4706699, 9413398, 18826796]

約数ペア:

[(1, 18826796), (2, 9413398), (4, 4706699), (19, 990884), (31, 607316), (38, 495442), (61, 308636), (62, 303658), (76, 247721), (122, 154318), (124, 151829), (131, 143716), (244, 77159), (262, 71858), (524, 35929), (589, 31964), (1159, 16244), (1178, 15982), (1891, 9956), (2318, 8122), (2356, 7991), (2489, 7564), (3782, 4978), (4061, 4636)]