19427590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{577}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 44279424

約数和(自身を除く): 24851834

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 37, 65, 70, 74, 91, 130, 182, 185, 259, 370, 455, 481, 518, 577, 910, 962, 1154, 1295, 2405, 2590, 2885, 3367, 4039, 4810, 5770, 6734, 7501, 8078, 15002, 16835, 20195, 21349, 33670, 37505, 40390, 42698, 52507, 75010, 105014, 106745, 149443, 213490, 262535, 277537, 298886, 525070, 555074, 747215, 1387685, 1494430, 1942759, 2775370, 3885518, 9713795, 19427590]

約数ペア:

[(1, 19427590), (2, 9713795), (5, 3885518), (7, 2775370), (10, 1942759), (13, 1494430), (14, 1387685), (26, 747215), (35, 555074), (37, 525070), (65, 298886), (70, 277537), (74, 262535), (91, 213490), (130, 149443), (182, 106745), (185, 105014), (259, 75010), (370, 52507), (455, 42698), (481, 40390), (518, 37505), (577, 33670), (910, 21349), (962, 20195), (1154, 16835), (1295, 15002), (2405, 8078), (2590, 7501), (2885, 6734), (3367, 5770), (4039, 4810)]