18100988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 35471520

約数和(自身を除く): 17370532

約数列:

[1, 2, 4, 17, 29, 34, 58, 67, 68, 116, 134, 137, 268, 274, 493, 548, 986, 1139, 1943, 1972, 2278, 2329, 3886, 3973, 4556, 4658, 7772, 7946, 9179, 9316, 15892, 18358, 33031, 36716, 66062, 67541, 132124, 135082, 156043, 266191, 270164, 312086, 532382, 624172, 1064764, 4525247, 9050494, 18100988]

約数ペア:

[(1, 18100988), (2, 9050494), (4, 4525247), (17, 1064764), (29, 624172), (34, 532382), (58, 312086), (67, 270164), (68, 266191), (116, 156043), (134, 135082), (137, 132124), (268, 67541), (274, 66062), (493, 36716), (548, 33031), (986, 18358), (1139, 15892), (1943, 9316), (1972, 9179), (2278, 7946), (2329, 7772), (3886, 4658), (3973, 4556)]