15181518

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 35292672

約数和(自身を除く): 20111154

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 73, 137, 138, 146, 219, 253, 274, 411, 438, 506, 759, 803, 822, 1507, 1518, 1606, 1679, 2409, 3014, 3151, 3358, 4521, 4818, 5037, 6302, 9042, 9453, 10001, 10074, 18469, 18906, 20002, 30003, 34661, 36938, 55407, 60006, 69322, 103983, 110011, 110814, 207966, 220022, 230023, 330033, 460046, 660066, 690069, 1380138, 2530253, 5060506, 7590759, 15181518]

約数ペア:

[(1, 15181518), (2, 7590759), (3, 5060506), (6, 2530253), (11, 1380138), (22, 690069), (23, 660066), (33, 460046), (46, 330033), (66, 230023), (69, 220022), (73, 207966), (137, 110814), (138, 110011), (146, 103983), (219, 69322), (253, 60006), (274, 55407), (411, 36938), (438, 34661), (506, 30003), (759, 20002), (803, 18906), (822, 18469), (1507, 10074), (1518, 10001), (1606, 9453), (1679, 9042), (2409, 6302), (3014, 5037), (3151, 4818), (3358, 4521)]