19919580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1$

素因数の和:419

約数の個数: 96

約数和(自身を含む): 60238080

約数和(自身を除く): 40318500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 59, 60, 68, 85, 102, 118, 170, 177, 204, 236, 255, 295, 331, 340, 354, 510, 590, 662, 708, 885, 993, 1003, 1020, 1180, 1324, 1655, 1770, 1986, 2006, 3009, 3310, 3540, 3972, 4012, 4965, 5015, 5627, 6018, 6620, 9930, 10030, 11254, 12036, 15045, 16881, 19529, 19860, 20060, 22508, 28135, 30090, 33762, 39058, 56270, 58587, 60180, 67524, 78116, 84405, 97645, 112540, 117174, 168810, 195290, 234348, 292935, 331993, 337620, 390580, 585870, 663986, 995979, 1171740, 1327972, 1659965, 1991958, 3319930, 3983916, 4979895, 6639860, 9959790, 19919580]

約数ペア:

[(1, 19919580), (2, 9959790), (3, 6639860), (4, 4979895), (5, 3983916), (6, 3319930), (10, 1991958), (12, 1659965), (15, 1327972), (17, 1171740), (20, 995979), (30, 663986), (34, 585870), (51, 390580), (59, 337620), (60, 331993), (68, 292935), (85, 234348), (102, 195290), (118, 168810), (170, 117174), (177, 112540), (204, 97645), (236, 84405), (255, 78116), (295, 67524), (331, 60180), (340, 58587), (354, 56270), (510, 39058), (590, 33762), (662, 30090), (708, 28135), (885, 22508), (993, 20060), (1003, 19860), (1020, 19529), (1180, 16881), (1324, 15045), (1655, 12036), (1770, 11254), (1986, 10030), (2006, 9930), (3009, 6620), (3310, 6018), (3540, 5627), (3972, 5015), (4012, 4965)]