18628668

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:587

約数の個数: 72

約数和(自身を含む): 50778000

約数和(自身を除く): 32149332

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 61, 68, 102, 122, 153, 183, 204, 244, 306, 366, 499, 549, 612, 732, 998, 1037, 1098, 1497, 1996, 2074, 2196, 2994, 3111, 4148, 4491, 5988, 6222, 8483, 8982, 9333, 12444, 16966, 17964, 18666, 25449, 30439, 33932, 37332, 50898, 60878, 76347, 91317, 101796, 121756, 152694, 182634, 273951, 305388, 365268, 517463, 547902, 1034926, 1095804, 1552389, 2069852, 3104778, 4657167, 6209556, 9314334, 18628668]

約数ペア:

[(1, 18628668), (2, 9314334), (3, 6209556), (4, 4657167), (6, 3104778), (9, 2069852), (12, 1552389), (17, 1095804), (18, 1034926), (34, 547902), (36, 517463), (51, 365268), (61, 305388), (68, 273951), (102, 182634), (122, 152694), (153, 121756), (183, 101796), (204, 91317), (244, 76347), (306, 60878), (366, 50898), (499, 37332), (549, 33932), (612, 30439), (732, 25449), (998, 18666), (1037, 17964), (1098, 16966), (1497, 12444), (1996, 9333), (2074, 8982), (2196, 8483), (2994, 6222), (3111, 5988), (4148, 4491)]