18690294

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 44605440

約数和(自身を除く): 25915146

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 79, 86, 129, 131, 158, 237, 258, 262, 301, 393, 474, 553, 602, 786, 903, 917, 1106, 1659, 1806, 1834, 2751, 3318, 3397, 5502, 5633, 6794, 10191, 10349, 11266, 16899, 20382, 20698, 23779, 31047, 33798, 39431, 47558, 62094, 71337, 72443, 78862, 118293, 142674, 144886, 217329, 236586, 434658, 445007, 890014, 1335021, 2670042, 3115049, 6230098, 9345147, 18690294]

約数ペア:

[(1, 18690294), (2, 9345147), (3, 6230098), (6, 3115049), (7, 2670042), (14, 1335021), (21, 890014), (42, 445007), (43, 434658), (79, 236586), (86, 217329), (129, 144886), (131, 142674), (158, 118293), (237, 78862), (258, 72443), (262, 71337), (301, 62094), (393, 47558), (474, 39431), (553, 33798), (602, 31047), (786, 23779), (903, 20698), (917, 20382), (1106, 16899), (1659, 11266), (1806, 10349), (1834, 10191), (2751, 6794), (3318, 5633), (3397, 5502)]