19002620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 50295168

約数和(自身を除く): 31292548

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 53, 65, 70, 91, 106, 130, 140, 182, 197, 212, 260, 265, 364, 371, 394, 455, 530, 689, 742, 788, 910, 985, 1060, 1378, 1379, 1484, 1820, 1855, 1970, 2561, 2756, 2758, 3445, 3710, 3940, 4823, 5122, 5516, 6890, 6895, 7420, 9646, 10244, 10441, 12805, 13780, 13790, 17927, 19292, 20882, 24115, 25610, 27580, 35854, 41764, 48230, 51220, 52205, 71708, 73087, 89635, 96460, 104410, 135733, 146174, 179270, 208820, 271466, 292348, 358540, 365435, 542932, 678665, 730870, 950131, 1357330, 1461740, 1900262, 2714660, 3800524, 4750655, 9501310, 19002620]

約数ペア:

[(1, 19002620), (2, 9501310), (4, 4750655), (5, 3800524), (7, 2714660), (10, 1900262), (13, 1461740), (14, 1357330), (20, 950131), (26, 730870), (28, 678665), (35, 542932), (52, 365435), (53, 358540), (65, 292348), (70, 271466), (91, 208820), (106, 179270), (130, 146174), (140, 135733), (182, 104410), (197, 96460), (212, 89635), (260, 73087), (265, 71708), (364, 52205), (371, 51220), (394, 48230), (455, 41764), (530, 35854), (689, 27580), (742, 25610), (788, 24115), (910, 20882), (985, 19292), (1060, 17927), (1378, 13790), (1379, 13780), (1484, 12805), (1820, 10441), (1855, 10244), (1970, 9646), (2561, 7420), (2756, 6895), (2758, 6890), (3445, 5516), (3710, 5122), (3940, 4823)]