18311720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3847}}^1$

素因数の和:3882

約数の個数: 64

約数和(自身を含む): 49870080

約数和(自身を除く): 31558360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 3847, 4760, 7694, 15388, 19235, 26929, 30776, 38470, 53858, 65399, 76940, 107716, 130798, 134645, 153880, 215432, 261596, 269290, 326995, 457793, 523192, 538580, 653990, 915586, 1077160, 1307980, 1831172, 2288965, 2615960, 3662344, 4577930, 9155860, 18311720]

約数ペア:

[(1, 18311720), (2, 9155860), (4, 4577930), (5, 3662344), (7, 2615960), (8, 2288965), (10, 1831172), (14, 1307980), (17, 1077160), (20, 915586), (28, 653990), (34, 538580), (35, 523192), (40, 457793), (56, 326995), (68, 269290), (70, 261596), (85, 215432), (119, 153880), (136, 134645), (140, 130798), (170, 107716), (238, 76940), (280, 65399), (340, 53858), (476, 38470), (595, 30776), (680, 26929), (952, 19235), (1190, 15388), (2380, 7694), (3847, 4760)]