18939632

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:593

約数の個数: 40

約数和(自身を含む): 39171600

約数和(自身を除く): 20231968

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 179, 272, 358, 389, 716, 778, 1432, 1556, 2864, 3043, 3112, 6086, 6224, 6613, 12172, 13226, 24344, 26452, 48688, 52904, 69631, 105808, 139262, 278524, 557048, 1114096, 1183727, 2367454, 4734908, 9469816, 18939632]

約数ペア:

[(1, 18939632), (2, 9469816), (4, 4734908), (8, 2367454), (16, 1183727), (17, 1114096), (34, 557048), (68, 278524), (136, 139262), (179, 105808), (272, 69631), (358, 52904), (389, 48688), (716, 26452), (778, 24344), (1432, 13226), (1556, 12172), (2864, 6613), (3043, 6224), (3112, 6086)]