19724472

素因数分解:

$2^3\times 3^4\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:578

約数の個数: 80

約数和(自身を含む): 56265000

約数和(自身を除く): 36540528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 61, 72, 81, 108, 122, 162, 183, 216, 244, 324, 366, 488, 499, 549, 648, 732, 998, 1098, 1464, 1497, 1647, 1996, 2196, 2994, 3294, 3992, 4392, 4491, 4941, 5988, 6588, 8982, 9882, 11976, 13176, 13473, 17964, 19764, 26946, 30439, 35928, 39528, 40419, 53892, 60878, 80838, 91317, 107784, 121756, 161676, 182634, 243512, 273951, 323352, 365268, 547902, 730536, 821853, 1095804, 1643706, 2191608, 2465559, 3287412, 4931118, 6574824, 9862236, 19724472]

約数ペア:

[(1, 19724472), (2, 9862236), (3, 6574824), (4, 4931118), (6, 3287412), (8, 2465559), (9, 2191608), (12, 1643706), (18, 1095804), (24, 821853), (27, 730536), (36, 547902), (54, 365268), (61, 323352), (72, 273951), (81, 243512), (108, 182634), (122, 161676), (162, 121756), (183, 107784), (216, 91317), (244, 80838), (324, 60878), (366, 53892), (488, 40419), (499, 39528), (549, 35928), (648, 30439), (732, 26946), (998, 19764), (1098, 17964), (1464, 13473), (1497, 13176), (1647, 11976), (1996, 9882), (2196, 8982), (2994, 6588), (3294, 5988), (3992, 4941), (4392, 4491)]