19719882

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4013}}^1$

素因数の和:4044

約数の個数: 64

約数和(自身を含む): 53948160

約数和(自身を除く): 34228278

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4013, 4914, 8026, 12039, 24078, 28091, 36117, 52169, 56182, 72234, 84273, 104338, 108351, 156507, 168546, 216702, 252819, 313014, 365183, 469521, 505638, 730366, 758457, 939042, 1095549, 1408563, 1516914, 2191098, 2817126, 3286647, 6573294, 9859941, 19719882]

約数ペア:

[(1, 19719882), (2, 9859941), (3, 6573294), (6, 3286647), (7, 2817126), (9, 2191098), (13, 1516914), (14, 1408563), (18, 1095549), (21, 939042), (26, 758457), (27, 730366), (39, 505638), (42, 469521), (54, 365183), (63, 313014), (78, 252819), (91, 216702), (117, 168546), (126, 156507), (182, 108351), (189, 104338), (234, 84273), (273, 72234), (351, 56182), (378, 52169), (546, 36117), (702, 28091), (819, 24078), (1638, 12039), (2457, 8026), (4013, 4914)]