18388920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13931}}^1$

素因数の和:13956

約数の個数: 64

約数和(自身を含む): 60186240

約数和(自身を除く): 41797320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 13931, 27862, 41793, 55724, 69655, 83586, 111448, 139310, 153241, 167172, 208965, 278620, 306482, 334344, 417930, 459723, 557240, 612964, 766205, 835860, 919446, 1225928, 1532410, 1671720, 1838892, 2298615, 3064820, 3677784, 4597230, 6129640, 9194460, 18388920]

約数ペア:

[(1, 18388920), (2, 9194460), (3, 6129640), (4, 4597230), (5, 3677784), (6, 3064820), (8, 2298615), (10, 1838892), (11, 1671720), (12, 1532410), (15, 1225928), (20, 919446), (22, 835860), (24, 766205), (30, 612964), (33, 557240), (40, 459723), (44, 417930), (55, 334344), (60, 306482), (66, 278620), (88, 208965), (110, 167172), (120, 153241), (132, 139310), (165, 111448), (220, 83586), (264, 69655), (330, 55724), (440, 41793), (660, 27862), (1320, 13931)]