19560880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{757}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 50755680

約数和(自身を除く): 31194800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 757, 760, 1292, 1360, 1514, 1520, 1615, 2584, 3028, 3230, 3785, 5168, 6056, 6460, 7570, 12112, 12869, 12920, 14383, 15140, 25738, 25840, 28766, 30280, 51476, 57532, 60560, 64345, 71915, 102952, 115064, 128690, 143830, 205904, 230128, 244511, 257380, 287660, 489022, 514760, 575320, 978044, 1029520, 1150640, 1222555, 1956088, 2445110, 3912176, 4890220, 9780440, 19560880]

約数ペア:

[(1, 19560880), (2, 9780440), (4, 4890220), (5, 3912176), (8, 2445110), (10, 1956088), (16, 1222555), (17, 1150640), (19, 1029520), (20, 978044), (34, 575320), (38, 514760), (40, 489022), (68, 287660), (76, 257380), (80, 244511), (85, 230128), (95, 205904), (136, 143830), (152, 128690), (170, 115064), (190, 102952), (272, 71915), (304, 64345), (323, 60560), (340, 57532), (380, 51476), (646, 30280), (680, 28766), (757, 25840), (760, 25738), (1292, 15140), (1360, 14383), (1514, 12920), (1520, 12869), (1615, 12112), (2584, 7570), (3028, 6460), (3230, 6056), (3785, 5168)]