19378980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2111}}^1$

素因数の和:2146

約数の個数: 96

約数和(自身を含む): 63866880

約数和(自身を除く): 44487900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2111, 2295, 3060, 4222, 4590, 6333, 8444, 9180, 10555, 12666, 18999, 21110, 25332, 31665, 35887, 37998, 42220, 56997, 63330, 71774, 75996, 94995, 107661, 113994, 126660, 143548, 179435, 189990, 215322, 227988, 284985, 322983, 358870, 379980, 430644, 538305, 569970, 645966, 717740, 968949, 1076610, 1139940, 1291932, 1614915, 1937898, 2153220, 3229830, 3875796, 4844745, 6459660, 9689490, 19378980]

約数ペア:

[(1, 19378980), (2, 9689490), (3, 6459660), (4, 4844745), (5, 3875796), (6, 3229830), (9, 2153220), (10, 1937898), (12, 1614915), (15, 1291932), (17, 1139940), (18, 1076610), (20, 968949), (27, 717740), (30, 645966), (34, 569970), (36, 538305), (45, 430644), (51, 379980), (54, 358870), (60, 322983), (68, 284985), (85, 227988), (90, 215322), (102, 189990), (108, 179435), (135, 143548), (153, 126660), (170, 113994), (180, 107661), (204, 94995), (255, 75996), (270, 71774), (306, 63330), (340, 56997), (459, 42220), (510, 37998), (540, 35887), (612, 31665), (765, 25332), (918, 21110), (1020, 18999), (1530, 12666), (1836, 10555), (2111, 9180), (2295, 8444), (3060, 6333), (4222, 4590)]