19135060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4409}}^1$

素因数の和:4456

約数の個数: 48

約数和(自身を含む): 47416320

約数和(自身を除く): 28281260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 4409, 8818, 17636, 22045, 30863, 44090, 61726, 88180, 123452, 136679, 154315, 273358, 308630, 546716, 617260, 683395, 956753, 1366790, 1913506, 2733580, 3827012, 4783765, 9567530, 19135060]

約数ペア:

[(1, 19135060), (2, 9567530), (4, 4783765), (5, 3827012), (7, 2733580), (10, 1913506), (14, 1366790), (20, 956753), (28, 683395), (31, 617260), (35, 546716), (62, 308630), (70, 273358), (124, 154315), (140, 136679), (155, 123452), (217, 88180), (310, 61726), (434, 44090), (620, 30863), (868, 22045), (1085, 17636), (2170, 8818), (4340, 4409)]