18677970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:200

約数の個数: 96

約数和(自身を含む): 51217920

約数和(自身を除く): 32539950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 71, 74, 79, 90, 111, 142, 158, 185, 213, 222, 237, 333, 355, 370, 395, 426, 474, 555, 639, 666, 710, 711, 790, 1065, 1110, 1185, 1278, 1422, 1665, 2130, 2370, 2627, 2923, 3195, 3330, 3555, 5254, 5609, 5846, 6390, 7110, 7881, 8769, 11218, 13135, 14615, 15762, 16827, 17538, 23643, 26270, 26307, 28045, 29230, 33654, 39405, 43845, 47286, 50481, 52614, 56090, 78810, 84135, 87690, 100962, 118215, 131535, 168270, 207533, 236430, 252405, 263070, 415066, 504810, 622599, 1037665, 1245198, 1867797, 2075330, 3112995, 3735594, 6225990, 9338985, 18677970]

約数ペア:

[(1, 18677970), (2, 9338985), (3, 6225990), (5, 3735594), (6, 3112995), (9, 2075330), (10, 1867797), (15, 1245198), (18, 1037665), (30, 622599), (37, 504810), (45, 415066), (71, 263070), (74, 252405), (79, 236430), (90, 207533), (111, 168270), (142, 131535), (158, 118215), (185, 100962), (213, 87690), (222, 84135), (237, 78810), (333, 56090), (355, 52614), (370, 50481), (395, 47286), (426, 43845), (474, 39405), (555, 33654), (639, 29230), (666, 28045), (710, 26307), (711, 26270), (790, 23643), (1065, 17538), (1110, 16827), (1185, 15762), (1278, 14615), (1422, 13135), (1665, 11218), (2130, 8769), (2370, 7881), (2627, 7110), (2923, 6390), (3195, 5846), (3330, 5609), (3555, 5254)]