18339970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:711

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 19580990

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 121, 230, 242, 253, 506, 605, 659, 1210, 1265, 1318, 2530, 2783, 3295, 5566, 6590, 7249, 13915, 14498, 15157, 27830, 30314, 36245, 72490, 75785, 79739, 151570, 159478, 166727, 333454, 398695, 797390, 833635, 1667270, 1833997, 3667994, 9169985, 18339970]

約数ペア:

[(1, 18339970), (2, 9169985), (5, 3667994), (10, 1833997), (11, 1667270), (22, 833635), (23, 797390), (46, 398695), (55, 333454), (110, 166727), (115, 159478), (121, 151570), (230, 79739), (242, 75785), (253, 72490), (506, 36245), (605, 30314), (659, 27830), (1210, 15157), (1265, 14498), (1318, 13915), (2530, 7249), (2783, 6590), (3295, 5566)]