18418030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 18906770

約数列:

[1, 2, 5, 10, 19, 31, 38, 53, 59, 62, 95, 106, 118, 155, 190, 265, 295, 310, 530, 589, 590, 1007, 1121, 1178, 1643, 1829, 2014, 2242, 2945, 3127, 3286, 3658, 5035, 5605, 5890, 6254, 8215, 9145, 10070, 11210, 15635, 16430, 18290, 31217, 31270, 34751, 59413, 62434, 69502, 96937, 118826, 156085, 173755, 193874, 297065, 312170, 347510, 484685, 594130, 969370, 1841803, 3683606, 9209015, 18418030]

約数ペア:

[(1, 18418030), (2, 9209015), (5, 3683606), (10, 1841803), (19, 969370), (31, 594130), (38, 484685), (53, 347510), (59, 312170), (62, 297065), (95, 193874), (106, 173755), (118, 156085), (155, 118826), (190, 96937), (265, 69502), (295, 62434), (310, 59413), (530, 34751), (589, 31270), (590, 31217), (1007, 18290), (1121, 16430), (1178, 15635), (1643, 11210), (1829, 10070), (2014, 9145), (2242, 8215), (2945, 6254), (3127, 5890), (3286, 5605), (3658, 5035)]