18855354

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 26763846

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 131, 138, 149, 161, 262, 298, 322, 393, 447, 483, 786, 894, 917, 966, 1043, 1834, 2086, 2751, 3013, 3129, 3427, 5502, 6026, 6258, 6854, 9039, 10281, 18078, 19519, 20562, 21091, 23989, 39038, 42182, 47978, 58557, 63273, 71967, 117114, 126546, 136633, 143934, 273266, 409899, 448937, 819798, 897874, 1346811, 2693622, 3142559, 6285118, 9427677, 18855354]

約数ペア:

[(1, 18855354), (2, 9427677), (3, 6285118), (6, 3142559), (7, 2693622), (14, 1346811), (21, 897874), (23, 819798), (42, 448937), (46, 409899), (69, 273266), (131, 143934), (138, 136633), (149, 126546), (161, 117114), (262, 71967), (298, 63273), (322, 58557), (393, 47978), (447, 42182), (483, 39038), (786, 23989), (894, 21091), (917, 20562), (966, 19519), (1043, 18078), (1834, 10281), (2086, 9039), (2751, 6854), (3013, 6258), (3129, 6026), (3427, 5502)]