18639123870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{66047}}^1$

素因数の和:66489

約数の個数: 64

約数和(自身を含む): 46793687040

約数和(自身を除く): 28154563170

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 409, 690, 818, 1227, 2045, 2454, 4090, 6135, 9407, 12270, 18814, 28221, 47035, 56442, 66047, 94070, 132094, 141105, 198141, 282210, 330235, 396282, 660470, 990705, 1519081, 1981410, 3038162, 4557243, 7595405, 9114486, 15190810, 22786215, 27013223, 45572430, 54026446, 81039669, 135066115, 162079338, 270132230, 405198345, 621304129, 810396690, 1242608258, 1863912387, 3106520645, 3727824774, 6213041290, 9319561935, 18639123870]

約数ペア:

[(1, 18639123870), (2, 9319561935), (3, 6213041290), (5, 3727824774), (6, 3106520645), (10, 1863912387), (15, 1242608258), (23, 810396690), (30, 621304129), (46, 405198345), (69, 270132230), (115, 162079338), (138, 135066115), (230, 81039669), (345, 54026446), (409, 45572430), (690, 27013223), (818, 22786215), (1227, 15190810), (2045, 9114486), (2454, 7595405), (4090, 4557243), (6135, 3038162), (9407, 1981410), (12270, 1519081), (18814, 990705), (28221, 660470), (47035, 396282), (56442, 330235), (66047, 282210), (94070, 198141), (132094, 141105)]