20642987874

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{919}}^1\times {\mathrm{1913}}^1$

素因数の和:2959

約数の個数: 64

約数和(自身を含む): 43951564800

約数和(自身を除く): 23308576926

約数列:

[1, 2, 3, 6, 19, 38, 57, 103, 114, 206, 309, 618, 919, 1838, 1913, 1957, 2757, 3826, 3914, 5514, 5739, 5871, 11478, 11742, 17461, 34922, 36347, 52383, 72694, 94657, 104766, 109041, 189314, 197039, 218082, 283971, 394078, 567942, 591117, 1182234, 1758047, 1798483, 3516094, 3596966, 3743741, 5274141, 5395449, 7487482, 10548282, 10790898, 11231223, 22462446, 33402893, 66805786, 100208679, 181078841, 200417358, 362157682, 543236523, 1086473046, 3440497979, 6880995958, 10321493937, 20642987874]

約数ペア:

[(1, 20642987874), (2, 10321493937), (3, 6880995958), (6, 3440497979), (19, 1086473046), (38, 543236523), (57, 362157682), (103, 200417358), (114, 181078841), (206, 100208679), (309, 66805786), (618, 33402893), (919, 22462446), (1838, 11231223), (1913, 10790898), (1957, 10548282), (2757, 7487482), (3826, 5395449), (3914, 5274141), (5514, 3743741), (5739, 3596966), (5871, 3516094), (11478, 1798483), (11742, 1758047), (17461, 1182234), (34922, 591117), (36347, 567942), (52383, 394078), (72694, 283971), (94657, 218082), (104766, 197039), (109041, 189314)]