18823545

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1399}}^1$

素因数の和:1446

約数の個数: 48

約数和(自身を含む): 36691200

約数和(自身を除く): 17867655

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1399, 1495, 2691, 4197, 4485, 6995, 12591, 13455, 18187, 20985, 32177, 54561, 62955, 90935, 96531, 160885, 163683, 272805, 289593, 418301, 482655, 818415, 1254903, 1447965, 2091505, 3764709, 6274515, 18823545]

約数ペア:

[(1, 18823545), (3, 6274515), (5, 3764709), (9, 2091505), (13, 1447965), (15, 1254903), (23, 818415), (39, 482655), (45, 418301), (65, 289593), (69, 272805), (115, 163683), (117, 160885), (195, 96531), (207, 90935), (299, 62955), (345, 54561), (585, 32177), (897, 20985), (1035, 18187), (1399, 13455), (1495, 12591), (2691, 6995), (4197, 4485)]