18458010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:652

約数の個数: 64

約数和(自身を含む): 49680000

約数和(自身を除く): 31221990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 137, 270, 274, 411, 499, 685, 822, 998, 1233, 1370, 1497, 2055, 2466, 2495, 2994, 3699, 4110, 4491, 4990, 6165, 7398, 7485, 8982, 12330, 13473, 14970, 18495, 22455, 26946, 36990, 44910, 67365, 68363, 134730, 136726, 205089, 341815, 410178, 615267, 683630, 1025445, 1230534, 1845801, 2050890, 3076335, 3691602, 6152670, 9229005, 18458010]

約数ペア:

[(1, 18458010), (2, 9229005), (3, 6152670), (5, 3691602), (6, 3076335), (9, 2050890), (10, 1845801), (15, 1230534), (18, 1025445), (27, 683630), (30, 615267), (45, 410178), (54, 341815), (90, 205089), (135, 136726), (137, 134730), (270, 68363), (274, 67365), (411, 44910), (499, 36990), (685, 26946), (822, 22455), (998, 18495), (1233, 14970), (1370, 13473), (1497, 12330), (2055, 8982), (2466, 7485), (2495, 7398), (2994, 6165), (3699, 4990), (4110, 4491)]