18668818558

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{599}}^1$

素因数の和:854

約数の個数: 64

約数和(自身を含む): 31307472000

約数和(自身を除く): 12638653442

約数列:

[1, 2, 13, 26, 41, 82, 169, 173, 338, 346, 533, 599, 1066, 1198, 2197, 2249, 4394, 4498, 6929, 7093, 7787, 13858, 14186, 15574, 24559, 29237, 49118, 58474, 90077, 92209, 101231, 103627, 180154, 184418, 202462, 207254, 319267, 380081, 638534, 760162, 1198717, 1316003, 1347151, 2397434, 2632006, 2694302, 4150471, 4248707, 8300942, 8497414, 15583321, 17512963, 31166642, 35025926, 53956123, 55233191, 107912246, 110466382, 227668519, 455337038, 718031483, 1436062966, 9334409279, 18668818558]

約数ペア:

[(1, 18668818558), (2, 9334409279), (13, 1436062966), (26, 718031483), (41, 455337038), (82, 227668519), (169, 110466382), (173, 107912246), (338, 55233191), (346, 53956123), (533, 35025926), (599, 31166642), (1066, 17512963), (1198, 15583321), (2197, 8497414), (2249, 8300942), (4394, 4248707), (4498, 4150471), (6929, 2694302), (7093, 2632006), (7787, 2397434), (13858, 1347151), (14186, 1316003), (15574, 1198717), (24559, 760162), (29237, 638534), (49118, 380081), (58474, 319267), (90077, 207254), (92209, 202462), (101231, 184418), (103627, 180154)]