18143216

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{733}}^1$

素因数の和:778

約数の個数: 80

約数和(自身を含む): 45872064

約数和(自身を除く): 27728848

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 238, 272, 364, 442, 476, 728, 733, 884, 952, 1456, 1466, 1547, 1768, 1904, 2932, 3094, 3536, 5131, 5864, 6188, 9529, 10262, 11728, 12376, 12461, 19058, 20524, 24752, 24922, 38116, 41048, 49844, 66703, 76232, 82096, 87227, 99688, 133406, 152464, 161993, 174454, 199376, 266812, 323986, 348908, 533624, 647972, 697816, 1067248, 1133951, 1295944, 1395632, 2267902, 2591888, 4535804, 9071608, 18143216]

約数ペア:

[(1, 18143216), (2, 9071608), (4, 4535804), (7, 2591888), (8, 2267902), (13, 1395632), (14, 1295944), (16, 1133951), (17, 1067248), (26, 697816), (28, 647972), (34, 533624), (52, 348908), (56, 323986), (68, 266812), (91, 199376), (104, 174454), (112, 161993), (119, 152464), (136, 133406), (182, 99688), (208, 87227), (221, 82096), (238, 76232), (272, 66703), (364, 49844), (442, 41048), (476, 38116), (728, 24922), (733, 24752), (884, 20524), (952, 19058), (1456, 12461), (1466, 12376), (1547, 11728), (1768, 10262), (1904, 9529), (2932, 6188), (3094, 5864), (3536, 5131)]