19130778

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{547}}^1$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 43598880

約数和(自身を除く): 24468102

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 67, 87, 134, 174, 201, 261, 402, 522, 547, 603, 1094, 1206, 1641, 1943, 3282, 3886, 4923, 5829, 9846, 11658, 15863, 17487, 31726, 34974, 36649, 47589, 73298, 95178, 109947, 142767, 219894, 285534, 329841, 659682, 1062821, 2125642, 3188463, 6376926, 9565389, 19130778]

約数ペア:

[(1, 19130778), (2, 9565389), (3, 6376926), (6, 3188463), (9, 2125642), (18, 1062821), (29, 659682), (58, 329841), (67, 285534), (87, 219894), (134, 142767), (174, 109947), (201, 95178), (261, 73298), (402, 47589), (522, 36649), (547, 34974), (603, 31726), (1094, 17487), (1206, 15863), (1641, 11658), (1943, 9846), (3282, 5829), (3886, 4923)]