18238740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 55977600

約数和(自身を除く): 37738860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 67, 78, 130, 134, 156, 195, 201, 260, 268, 335, 349, 390, 402, 670, 698, 780, 804, 871, 1005, 1047, 1340, 1396, 1742, 1745, 2010, 2094, 2613, 3484, 3490, 4020, 4188, 4355, 4537, 5226, 5235, 6980, 8710, 9074, 10452, 10470, 13065, 13611, 17420, 18148, 20940, 22685, 23383, 26130, 27222, 45370, 46766, 52260, 54444, 68055, 70149, 90740, 93532, 116915, 136110, 140298, 233830, 272220, 280596, 303979, 350745, 467660, 607958, 701490, 911937, 1215916, 1402980, 1519895, 1823874, 3039790, 3647748, 4559685, 6079580, 9119370, 18238740]

約数ペア:

[(1, 18238740), (2, 9119370), (3, 6079580), (4, 4559685), (5, 3647748), (6, 3039790), (10, 1823874), (12, 1519895), (13, 1402980), (15, 1215916), (20, 911937), (26, 701490), (30, 607958), (39, 467660), (52, 350745), (60, 303979), (65, 280596), (67, 272220), (78, 233830), (130, 140298), (134, 136110), (156, 116915), (195, 93532), (201, 90740), (260, 70149), (268, 68055), (335, 54444), (349, 52260), (390, 46766), (402, 45370), (670, 27222), (698, 26130), (780, 23383), (804, 22685), (871, 20940), (1005, 18148), (1047, 17420), (1340, 13611), (1396, 13065), (1742, 10470), (1745, 10452), (2010, 9074), (2094, 8710), (2613, 6980), (3484, 5235), (3490, 5226), (4020, 4537), (4188, 4355)]