18765186

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 42854400

約数和(自身を除く): 24089214

約数列:

[1, 2, 3, 6, 11, 22, 33, 59, 61, 66, 79, 118, 122, 158, 177, 183, 237, 354, 366, 474, 649, 671, 869, 1298, 1342, 1738, 1947, 2013, 2607, 3599, 3894, 4026, 4661, 4819, 5214, 7198, 9322, 9638, 10797, 13983, 14457, 21594, 27966, 28914, 39589, 51271, 53009, 79178, 102542, 106018, 118767, 153813, 159027, 237534, 284321, 307626, 318054, 568642, 852963, 1705926, 3127531, 6255062, 9382593, 18765186]

約数ペア:

[(1, 18765186), (2, 9382593), (3, 6255062), (6, 3127531), (11, 1705926), (22, 852963), (33, 568642), (59, 318054), (61, 307626), (66, 284321), (79, 237534), (118, 159027), (122, 153813), (158, 118767), (177, 106018), (183, 102542), (237, 79178), (354, 53009), (366, 51271), (474, 39589), (649, 28914), (671, 27966), (869, 21594), (1298, 14457), (1342, 13983), (1738, 10797), (1947, 9638), (2013, 9322), (2607, 7198), (3599, 5214), (3894, 4819), (4026, 4661)]