18862060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1013}}^1$

素因数の和:1055

約数の個数: 72

約数和(自身を含む): 48550320

約数和(自身を除く): 29688260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1013, 1330, 1862, 2026, 2660, 3724, 4052, 4655, 5065, 7091, 9310, 10130, 14182, 18620, 19247, 20260, 28364, 35455, 38494, 49637, 70910, 76988, 96235, 99274, 134729, 141820, 192470, 198548, 248185, 269458, 384940, 496370, 538916, 673645, 943103, 992740, 1347290, 1886206, 2694580, 3772412, 4715515, 9431030, 18862060]

約数ペア:

[(1, 18862060), (2, 9431030), (4, 4715515), (5, 3772412), (7, 2694580), (10, 1886206), (14, 1347290), (19, 992740), (20, 943103), (28, 673645), (35, 538916), (38, 496370), (49, 384940), (70, 269458), (76, 248185), (95, 198548), (98, 192470), (133, 141820), (140, 134729), (190, 99274), (196, 96235), (245, 76988), (266, 70910), (380, 49637), (490, 38494), (532, 35455), (665, 28364), (931, 20260), (980, 19247), (1013, 18620), (1330, 14182), (1862, 10130), (2026, 9310), (2660, 7091), (3724, 5065), (4052, 4655)]