19863756

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:611

約数の個数: 72

約数和(自身を含む): 55421184

約数和(自身を除く): 35557428

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 103, 132, 198, 206, 309, 396, 412, 487, 618, 927, 974, 1133, 1236, 1461, 1854, 1948, 2266, 2922, 3399, 3708, 4383, 4532, 5357, 5844, 6798, 8766, 10197, 10714, 13596, 16071, 17532, 20394, 21428, 32142, 40788, 48213, 50161, 64284, 96426, 100322, 150483, 192852, 200644, 300966, 451449, 551771, 601932, 902898, 1103542, 1655313, 1805796, 2207084, 3310626, 4965939, 6621252, 9931878, 19863756]

約数ペア:

[(1, 19863756), (2, 9931878), (3, 6621252), (4, 4965939), (6, 3310626), (9, 2207084), (11, 1805796), (12, 1655313), (18, 1103542), (22, 902898), (33, 601932), (36, 551771), (44, 451449), (66, 300966), (99, 200644), (103, 192852), (132, 150483), (198, 100322), (206, 96426), (309, 64284), (396, 50161), (412, 48213), (487, 40788), (618, 32142), (927, 21428), (974, 20394), (1133, 17532), (1236, 16071), (1461, 13596), (1854, 10714), (1948, 10197), (2266, 8766), (2922, 6798), (3399, 5844), (3708, 5357), (4383, 4532)]