18860712

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1074

約数の個数: 64

約数和(自身を含む): 51663360

約数和(自身を除く): 32802648

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 61, 78, 104, 122, 156, 183, 244, 312, 366, 488, 732, 793, 991, 1464, 1586, 1982, 2379, 2973, 3172, 3964, 4758, 5946, 6344, 7928, 9516, 11892, 12883, 19032, 23784, 25766, 38649, 51532, 60451, 77298, 103064, 120902, 154596, 181353, 241804, 309192, 362706, 483608, 725412, 785863, 1450824, 1571726, 2357589, 3143452, 4715178, 6286904, 9430356, 18860712]

約数ペア:

[(1, 18860712), (2, 9430356), (3, 6286904), (4, 4715178), (6, 3143452), (8, 2357589), (12, 1571726), (13, 1450824), (24, 785863), (26, 725412), (39, 483608), (52, 362706), (61, 309192), (78, 241804), (104, 181353), (122, 154596), (156, 120902), (183, 103064), (244, 77298), (312, 60451), (366, 51532), (488, 38649), (732, 25766), (793, 23784), (991, 19032), (1464, 12883), (1586, 11892), (1982, 9516), (2379, 7928), (2973, 6344), (3172, 5946), (3964, 4758)]