19957728

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1747}}^1$

素因数の和:1784

約数の個数: 96

約数和(自身を含む): 63431424

約数和(自身を除く): 43473696

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 51, 56, 68, 84, 96, 102, 112, 119, 136, 168, 204, 224, 238, 272, 336, 357, 408, 476, 544, 672, 714, 816, 952, 1428, 1632, 1747, 1904, 2856, 3494, 3808, 5241, 5712, 6988, 10482, 11424, 12229, 13976, 20964, 24458, 27952, 29699, 36687, 41928, 48916, 55904, 59398, 73374, 83856, 89097, 97832, 118796, 146748, 167712, 178194, 195664, 207893, 237592, 293496, 356388, 391328, 415786, 475184, 586992, 623679, 712776, 831572, 950368, 1173984, 1247358, 1425552, 1663144, 2494716, 2851104, 3326288, 4989432, 6652576, 9978864, 19957728]

約数ペア:

[(1, 19957728), (2, 9978864), (3, 6652576), (4, 4989432), (6, 3326288), (7, 2851104), (8, 2494716), (12, 1663144), (14, 1425552), (16, 1247358), (17, 1173984), (21, 950368), (24, 831572), (28, 712776), (32, 623679), (34, 586992), (42, 475184), (48, 415786), (51, 391328), (56, 356388), (68, 293496), (84, 237592), (96, 207893), (102, 195664), (112, 178194), (119, 167712), (136, 146748), (168, 118796), (204, 97832), (224, 89097), (238, 83856), (272, 73374), (336, 59398), (357, 55904), (408, 48916), (476, 41928), (544, 36687), (672, 29699), (714, 27952), (816, 24458), (952, 20964), (1428, 13976), (1632, 12229), (1747, 11424), (1904, 10482), (2856, 6988), (3494, 5712), (3808, 5241)]