18505050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 49758720

約数和(自身を除く): 31253670

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 43, 50, 57, 75, 86, 95, 114, 129, 150, 151, 190, 215, 258, 285, 302, 430, 453, 475, 570, 645, 755, 817, 906, 950, 1075, 1290, 1425, 1510, 1634, 2150, 2265, 2451, 2850, 2869, 3225, 3775, 4085, 4530, 4902, 5738, 6450, 6493, 7550, 8170, 8607, 11325, 12255, 12986, 14345, 17214, 19479, 20425, 22650, 24510, 28690, 32465, 38958, 40850, 43035, 61275, 64930, 71725, 86070, 97395, 122550, 123367, 143450, 162325, 194790, 215175, 246734, 324650, 370101, 430350, 486975, 616835, 740202, 973950, 1233670, 1850505, 3084175, 3701010, 6168350, 9252525, 18505050]

約数ペア:

[(1, 18505050), (2, 9252525), (3, 6168350), (5, 3701010), (6, 3084175), (10, 1850505), (15, 1233670), (19, 973950), (25, 740202), (30, 616835), (38, 486975), (43, 430350), (50, 370101), (57, 324650), (75, 246734), (86, 215175), (95, 194790), (114, 162325), (129, 143450), (150, 123367), (151, 122550), (190, 97395), (215, 86070), (258, 71725), (285, 64930), (302, 61275), (430, 43035), (453, 40850), (475, 38958), (570, 32465), (645, 28690), (755, 24510), (817, 22650), (906, 20425), (950, 19479), (1075, 17214), (1290, 14345), (1425, 12986), (1510, 12255), (1634, 11325), (2150, 8607), (2265, 8170), (2451, 7550), (2850, 6493), (2869, 6450), (3225, 5738), (3775, 4902), (4085, 4530)]