19801824

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:472

約数の個数: 96

約数和(自身を含む): 60318720

約数和(自身を除く): 40516896

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 79, 84, 96, 112, 158, 168, 224, 237, 316, 336, 373, 474, 553, 632, 672, 746, 948, 1106, 1119, 1264, 1492, 1659, 1896, 2212, 2238, 2528, 2611, 2984, 3318, 3792, 4424, 4476, 5222, 5968, 6636, 7584, 7833, 8848, 8952, 10444, 11936, 13272, 15666, 17696, 17904, 20888, 26544, 29467, 31332, 35808, 41776, 53088, 58934, 62664, 83552, 88401, 117868, 125328, 176802, 206269, 235736, 250656, 353604, 412538, 471472, 618807, 707208, 825076, 942944, 1237614, 1414416, 1650152, 2475228, 2828832, 3300304, 4950456, 6600608, 9900912, 19801824]

約数ペア:

[(1, 19801824), (2, 9900912), (3, 6600608), (4, 4950456), (6, 3300304), (7, 2828832), (8, 2475228), (12, 1650152), (14, 1414416), (16, 1237614), (21, 942944), (24, 825076), (28, 707208), (32, 618807), (42, 471472), (48, 412538), (56, 353604), (79, 250656), (84, 235736), (96, 206269), (112, 176802), (158, 125328), (168, 117868), (224, 88401), (237, 83552), (316, 62664), (336, 58934), (373, 53088), (474, 41776), (553, 35808), (632, 31332), (672, 29467), (746, 26544), (948, 20888), (1106, 17904), (1119, 17696), (1264, 15666), (1492, 13272), (1659, 11936), (1896, 10444), (2212, 8952), (2238, 8848), (2528, 7833), (2611, 7584), (2984, 6636), (3318, 5968), (3792, 5222), (4424, 4476)]