18808374

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 42497280

約数和(自身を除く): 23688906

約数列:

[1, 2, 3, 6, 13, 26, 39, 59, 61, 67, 78, 118, 122, 134, 177, 183, 201, 354, 366, 402, 767, 793, 871, 1534, 1586, 1742, 2301, 2379, 2613, 3599, 3953, 4087, 4602, 4758, 5226, 7198, 7906, 8174, 10797, 11859, 12261, 21594, 23718, 24522, 46787, 51389, 53131, 93574, 102778, 106262, 140361, 154167, 159393, 241133, 280722, 308334, 318786, 482266, 723399, 1446798, 3134729, 6269458, 9404187, 18808374]

約数ペア:

[(1, 18808374), (2, 9404187), (3, 6269458), (6, 3134729), (13, 1446798), (26, 723399), (39, 482266), (59, 318786), (61, 308334), (67, 280722), (78, 241133), (118, 159393), (122, 154167), (134, 140361), (177, 106262), (183, 102778), (201, 93574), (354, 53131), (366, 51389), (402, 46787), (767, 24522), (793, 23718), (871, 21594), (1534, 12261), (1586, 11859), (1742, 10797), (2301, 8174), (2379, 7906), (2613, 7198), (3599, 5226), (3953, 4758), (4087, 4602)]