18986790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{631}}^1$

素因数の和:717

約数の個数: 64

約数和(自身を含む): 49144320

約数和(自身を除く): 30157530

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 59, 85, 102, 118, 170, 177, 255, 295, 354, 510, 590, 631, 885, 1003, 1262, 1770, 1893, 2006, 3009, 3155, 3786, 5015, 6018, 6310, 9465, 10030, 10727, 15045, 18930, 21454, 30090, 32181, 37229, 53635, 64362, 74458, 107270, 111687, 160905, 186145, 223374, 321810, 372290, 558435, 632893, 1116870, 1265786, 1898679, 3164465, 3797358, 6328930, 9493395, 18986790]

約数ペア:

[(1, 18986790), (2, 9493395), (3, 6328930), (5, 3797358), (6, 3164465), (10, 1898679), (15, 1265786), (17, 1116870), (30, 632893), (34, 558435), (51, 372290), (59, 321810), (85, 223374), (102, 186145), (118, 160905), (170, 111687), (177, 107270), (255, 74458), (295, 64362), (354, 53635), (510, 37229), (590, 32181), (631, 30090), (885, 21454), (1003, 18930), (1262, 15045), (1770, 10727), (1893, 10030), (2006, 9465), (3009, 6310), (3155, 6018), (3786, 5015)]