18898555854

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{21799}}^1$

素因数の和:21973

約数の個数: 64

約数和(自身を含む): 40181760000

約数和(自身を除く): 21283204146

約数列:

[1, 2, 3, 6, 31, 59, 62, 79, 93, 118, 158, 177, 186, 237, 354, 474, 1829, 2449, 3658, 4661, 4898, 5487, 7347, 9322, 10974, 13983, 14694, 21799, 27966, 43598, 65397, 130794, 144491, 288982, 433473, 675769, 866946, 1286141, 1351538, 1722121, 2027307, 2572282, 3444242, 3858423, 4054614, 5166363, 7716846, 10332726, 39870371, 53385751, 79740742, 101605139, 106771502, 119611113, 160157253, 203210278, 239222226, 304815417, 320314506, 609630834, 3149759309, 6299518618, 9449277927, 18898555854]

約数ペア:

[(1, 18898555854), (2, 9449277927), (3, 6299518618), (6, 3149759309), (31, 609630834), (59, 320314506), (62, 304815417), (79, 239222226), (93, 203210278), (118, 160157253), (158, 119611113), (177, 106771502), (186, 101605139), (237, 79740742), (354, 53385751), (474, 39870371), (1829, 10332726), (2449, 7716846), (3658, 5166363), (4661, 4054614), (4898, 3858423), (5487, 3444242), (7347, 2572282), (9322, 2027307), (10974, 1722121), (13983, 1351538), (14694, 1286141), (21799, 866946), (27966, 675769), (43598, 433473), (65397, 288982), (130794, 144491)]