19994500904

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{203909}}^1$

素因数の和:204042

約数の個数: 64

約数和(自身を含む): 45806342400

約数和(自身を除く): 25811841496

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 103, 119, 136, 206, 238, 412, 476, 721, 824, 952, 1442, 1751, 2884, 3502, 5768, 7004, 12257, 14008, 24514, 49028, 98056, 203909, 407818, 815636, 1427363, 1631272, 2854726, 3466453, 5709452, 6932906, 11418904, 13865812, 21002627, 24265171, 27731624, 42005254, 48530342, 84010508, 97060684, 147018389, 168021016, 194121368, 294036778, 357044659, 588073556, 714089318, 1176147112, 1428178636, 2499312613, 2856357272, 4998625226, 9997250452, 19994500904]

約数ペア:

[(1, 19994500904), (2, 9997250452), (4, 4998625226), (7, 2856357272), (8, 2499312613), (14, 1428178636), (17, 1176147112), (28, 714089318), (34, 588073556), (56, 357044659), (68, 294036778), (103, 194121368), (119, 168021016), (136, 147018389), (206, 97060684), (238, 84010508), (412, 48530342), (476, 42005254), (721, 27731624), (824, 24265171), (952, 21002627), (1442, 13865812), (1751, 11418904), (2884, 6932906), (3502, 5709452), (5768, 3466453), (7004, 2854726), (12257, 1631272), (14008, 1427363), (24514, 815636), (49028, 407818), (98056, 203909)]