18080316

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{953}}^1$

素因数の和:1011

約数の個数: 72

約数和(自身を含む): 50004864

約数和(自身を除く): 31924548

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 31, 34, 36, 51, 62, 68, 93, 102, 124, 153, 186, 204, 279, 306, 372, 527, 558, 612, 953, 1054, 1116, 1581, 1906, 2108, 2859, 3162, 3812, 4743, 5718, 6324, 8577, 9486, 11436, 16201, 17154, 18972, 29543, 32402, 34308, 48603, 59086, 64804, 88629, 97206, 118172, 145809, 177258, 194412, 265887, 291618, 354516, 502231, 531774, 583236, 1004462, 1063548, 1506693, 2008924, 3013386, 4520079, 6026772, 9040158, 18080316]

約数ペア:

[(1, 18080316), (2, 9040158), (3, 6026772), (4, 4520079), (6, 3013386), (9, 2008924), (12, 1506693), (17, 1063548), (18, 1004462), (31, 583236), (34, 531774), (36, 502231), (51, 354516), (62, 291618), (68, 265887), (93, 194412), (102, 177258), (124, 145809), (153, 118172), (186, 97206), (204, 88629), (279, 64804), (306, 59086), (372, 48603), (527, 34308), (558, 32402), (612, 29543), (953, 18972), (1054, 17154), (1116, 16201), (1581, 11436), (1906, 9486), (2108, 8577), (2859, 6324), (3162, 5718), (3812, 4743)]