18712530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:416

約数の個数: 96

約数和(自身を含む): 53015040

約数和(自身を除く): 34302510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 31, 38, 45, 57, 62, 90, 93, 95, 114, 155, 171, 186, 190, 279, 285, 310, 342, 353, 465, 558, 570, 589, 706, 855, 930, 1059, 1178, 1395, 1710, 1765, 1767, 2118, 2790, 2945, 3177, 3530, 3534, 5295, 5301, 5890, 6354, 6707, 8835, 10590, 10602, 10943, 13414, 15885, 17670, 20121, 21886, 26505, 31770, 32829, 33535, 40242, 53010, 54715, 60363, 65658, 67070, 98487, 100605, 109430, 120726, 164145, 196974, 201210, 207917, 301815, 328290, 415834, 492435, 603630, 623751, 984870, 1039585, 1247502, 1871253, 2079170, 3118755, 3742506, 6237510, 9356265, 18712530]

約数ペア:

[(1, 18712530), (2, 9356265), (3, 6237510), (5, 3742506), (6, 3118755), (9, 2079170), (10, 1871253), (15, 1247502), (18, 1039585), (19, 984870), (30, 623751), (31, 603630), (38, 492435), (45, 415834), (57, 328290), (62, 301815), (90, 207917), (93, 201210), (95, 196974), (114, 164145), (155, 120726), (171, 109430), (186, 100605), (190, 98487), (279, 67070), (285, 65658), (310, 60363), (342, 54715), (353, 53010), (465, 40242), (558, 33535), (570, 32829), (589, 31770), (706, 26505), (855, 21886), (930, 20121), (1059, 17670), (1178, 15885), (1395, 13414), (1710, 10943), (1765, 10602), (1767, 10590), (2118, 8835), (2790, 6707), (2945, 6354), (3177, 5890), (3530, 5301), (3534, 5295)]