18324280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 44906400

約数和(自身を除く): 26582120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 131, 260, 262, 269, 520, 524, 538, 655, 1048, 1076, 1310, 1345, 1703, 2152, 2620, 2690, 3406, 3497, 5240, 5380, 6812, 6994, 8515, 10760, 13624, 13988, 17030, 17485, 27976, 34060, 34970, 35239, 68120, 69940, 70478, 139880, 140956, 176195, 281912, 352390, 458107, 704780, 916214, 1409560, 1832428, 2290535, 3664856, 4581070, 9162140, 18324280]

約数ペア:

[(1, 18324280), (2, 9162140), (4, 4581070), (5, 3664856), (8, 2290535), (10, 1832428), (13, 1409560), (20, 916214), (26, 704780), (40, 458107), (52, 352390), (65, 281912), (104, 176195), (130, 140956), (131, 139880), (260, 70478), (262, 69940), (269, 68120), (520, 35239), (524, 34970), (538, 34060), (655, 27976), (1048, 17485), (1076, 17030), (1310, 13988), (1345, 13624), (1703, 10760), (2152, 8515), (2620, 6994), (2690, 6812), (3406, 5380), (3497, 5240)]