19732740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^2$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 57593088

約数和(自身を除く): 37860348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 103, 124, 155, 186, 206, 309, 310, 372, 412, 465, 515, 618, 620, 930, 1030, 1236, 1545, 1860, 2060, 3090, 3193, 6180, 6386, 9579, 10609, 12772, 15965, 19158, 21218, 31827, 31930, 38316, 42436, 47895, 53045, 63654, 63860, 95790, 106090, 127308, 159135, 191580, 212180, 318270, 328879, 636540, 657758, 986637, 1315516, 1644395, 1973274, 3288790, 3946548, 4933185, 6577580, 9866370, 19732740]

約数ペア:

[(1, 19732740), (2, 9866370), (3, 6577580), (4, 4933185), (5, 3946548), (6, 3288790), (10, 1973274), (12, 1644395), (15, 1315516), (20, 986637), (30, 657758), (31, 636540), (60, 328879), (62, 318270), (93, 212180), (103, 191580), (124, 159135), (155, 127308), (186, 106090), (206, 95790), (309, 63860), (310, 63654), (372, 53045), (412, 47895), (465, 42436), (515, 38316), (618, 31930), (620, 31827), (930, 21218), (1030, 19158), (1236, 15965), (1545, 12772), (1860, 10609), (2060, 9579), (3090, 6386), (3193, 6180)]