19440180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6353}}^1$

素因数の和:6385

約数の個数: 72

約数和(自身を含む): 62447112

約数和(自身を除く): 43006932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6353, 12706, 19059, 25412, 31765, 38118, 57177, 63530, 76236, 95295, 108001, 114354, 127060, 190590, 216002, 228708, 285885, 324003, 381180, 432004, 540005, 571770, 648006, 972009, 1080010, 1143540, 1296012, 1620015, 1944018, 2160020, 3240030, 3888036, 4860045, 6480060, 9720090, 19440180]

約数ペア:

[(1, 19440180), (2, 9720090), (3, 6480060), (4, 4860045), (5, 3888036), (6, 3240030), (9, 2160020), (10, 1944018), (12, 1620015), (15, 1296012), (17, 1143540), (18, 1080010), (20, 972009), (30, 648006), (34, 571770), (36, 540005), (45, 432004), (51, 381180), (60, 324003), (68, 285885), (85, 228708), (90, 216002), (102, 190590), (153, 127060), (170, 114354), (180, 108001), (204, 95295), (255, 76236), (306, 63530), (340, 57177), (510, 38118), (612, 31765), (765, 25412), (1020, 19059), (1530, 12706), (3060, 6353)]