18884960

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:216

約数の個数: 96

約数和(自身を含む): 48498912

約数和(自身を除く): 29613952

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 53, 68, 80, 85, 106, 131, 136, 160, 170, 212, 262, 265, 272, 340, 424, 524, 530, 544, 655, 680, 848, 901, 1048, 1060, 1310, 1360, 1696, 1802, 2096, 2120, 2227, 2620, 2720, 3604, 4192, 4240, 4454, 4505, 5240, 6943, 7208, 8480, 8908, 9010, 10480, 11135, 13886, 14416, 17816, 18020, 20960, 22270, 27772, 28832, 34715, 35632, 36040, 44540, 55544, 69430, 71264, 72080, 89080, 111088, 118031, 138860, 144160, 178160, 222176, 236062, 277720, 356320, 472124, 555440, 590155, 944248, 1110880, 1180310, 1888496, 2360620, 3776992, 4721240, 9442480, 18884960]

約数ペア:

[(1, 18884960), (2, 9442480), (4, 4721240), (5, 3776992), (8, 2360620), (10, 1888496), (16, 1180310), (17, 1110880), (20, 944248), (32, 590155), (34, 555440), (40, 472124), (53, 356320), (68, 277720), (80, 236062), (85, 222176), (106, 178160), (131, 144160), (136, 138860), (160, 118031), (170, 111088), (212, 89080), (262, 72080), (265, 71264), (272, 69430), (340, 55544), (424, 44540), (524, 36040), (530, 35632), (544, 34715), (655, 28832), (680, 27772), (848, 22270), (901, 20960), (1048, 18020), (1060, 17816), (1310, 14416), (1360, 13886), (1696, 11135), (1802, 10480), (2096, 9010), (2120, 8908), (2227, 8480), (2620, 7208), (2720, 6943), (3604, 5240), (4192, 4505), (4240, 4454)]