19895988385

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{9029}}^1$

素因数の和:9250

約数の個数: 64

約数和(自身を含む): 30583526400

約数和(自身を除く): 10687538015

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 167, 203, 377, 455, 835, 1015, 1169, 1885, 2171, 2639, 4843, 5845, 9029, 10855, 13195, 15197, 24215, 33901, 45145, 62959, 63203, 75985, 117377, 169505, 261841, 314795, 316015, 440713, 586885, 821639, 1309205, 1507843, 1832887, 2203565, 3403933, 4108195, 7539215, 9164435, 10554901, 17019665, 19601959, 23827531, 43727447, 52774505, 98009795, 119137655, 137213713, 218637235, 306092129, 568456811, 686068565, 1530460645, 2842284055, 3979197677, 19895988385]

約数ペア:

[(1, 19895988385), (5, 3979197677), (7, 2842284055), (13, 1530460645), (29, 686068565), (35, 568456811), (65, 306092129), (91, 218637235), (145, 137213713), (167, 119137655), (203, 98009795), (377, 52774505), (455, 43727447), (835, 23827531), (1015, 19601959), (1169, 17019665), (1885, 10554901), (2171, 9164435), (2639, 7539215), (4843, 4108195), (5845, 3403933), (9029, 2203565), (10855, 1832887), (13195, 1507843), (15197, 1309205), (24215, 821639), (33901, 586885), (45145, 440713), (62959, 316015), (63203, 314795), (75985, 261841), (117377, 169505)]