18470403

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:653

約数の個数: 48

約数和(自身を含む): 33269760

約数和(自身を除く): 14799357

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 441, 483, 607, 621, 1127, 1323, 1449, 1821, 3381, 4249, 4347, 5463, 10143, 12747, 13961, 16389, 29743, 30429, 38241, 41883, 89229, 97727, 114723, 125649, 267687, 293181, 376947, 684089, 803061, 879543, 2052267, 2638629, 6156801, 18470403]

約数ペア:

[(1, 18470403), (3, 6156801), (7, 2638629), (9, 2052267), (21, 879543), (23, 803061), (27, 684089), (49, 376947), (63, 293181), (69, 267687), (147, 125649), (161, 114723), (189, 97727), (207, 89229), (441, 41883), (483, 38241), (607, 30429), (621, 29743), (1127, 16389), (1323, 13961), (1449, 12747), (1821, 10143), (3381, 5463), (4249, 4347)]