38968380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19681}}^1$

素因数の和:19707

約数の個数: 72

約数和(自身を含む): 128956464

約数和(自身を除く): 89988084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 19681, 39362, 59043, 78724, 98405, 118086, 177129, 196810, 216491, 236172, 295215, 354258, 393620, 432982, 590430, 649473, 708516, 865964, 885645, 1082455, 1180860, 1298946, 1771290, 1948419, 2164910, 2597892, 3247365, 3542580, 3896838, 4329820, 6494730, 7793676, 9742095, 12989460, 19484190, 38968380]

約数ペア:

[(1, 38968380), (2, 19484190), (3, 12989460), (4, 9742095), (5, 7793676), (6, 6494730), (9, 4329820), (10, 3896838), (11, 3542580), (12, 3247365), (15, 2597892), (18, 2164910), (20, 1948419), (22, 1771290), (30, 1298946), (33, 1180860), (36, 1082455), (44, 885645), (45, 865964), (55, 708516), (60, 649473), (66, 590430), (90, 432982), (99, 393620), (110, 354258), (132, 295215), (165, 236172), (180, 216491), (198, 196810), (220, 177129), (330, 118086), (396, 98405), (495, 78724), (660, 59043), (990, 39362), (1980, 19681)]