18350820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1999}}^1$

素因数の和:2034

約数の個数: 96

約数和(自身を含む): 60480000

約数和(自身を除く): 42129180

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, 1999, 2295, 3060, 3998, 4590, 5997, 7996, 9180, 9995, 11994, 17991, 19990, 23988, 29985, 33983, 35982, 39980, 53973, 59970, 67966, 71964, 89955, 101949, 107946, 119940, 135932, 169915, 179910, 203898, 215892, 269865, 305847, 339830, 359820, 407796, 509745, 539730, 611694, 679660, 917541, 1019490, 1079460, 1223388, 1529235, 1835082, 2038980, 3058470, 3670164, 4587705, 6116940, 9175410, 18350820]

約数ペア:

[(1, 18350820), (2, 9175410), (3, 6116940), (4, 4587705), (5, 3670164), (6, 3058470), (9, 2038980), (10, 1835082), (12, 1529235), (15, 1223388), (17, 1079460), (18, 1019490), (20, 917541), (27, 679660), (30, 611694), (34, 539730), (36, 509745), (45, 407796), (51, 359820), (54, 339830), (60, 305847), (68, 269865), (85, 215892), (90, 203898), (102, 179910), (108, 169915), (135, 135932), (153, 119940), (170, 107946), (180, 101949), (204, 89955), (255, 71964), (270, 67966), (306, 59970), (340, 53973), (459, 39980), (510, 35982), (540, 33983), (612, 29985), (765, 23988), (918, 19990), (1020, 17991), (1530, 11994), (1836, 9995), (1999, 9180), (2295, 7996), (3060, 5997), (3998, 4590)]