19127940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 58423680

約数和(自身を除く): 39295740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 137, 156, 179, 195, 260, 274, 358, 390, 411, 537, 548, 685, 716, 780, 822, 895, 1074, 1370, 1644, 1781, 1790, 2055, 2148, 2327, 2685, 2740, 3562, 3580, 4110, 4654, 5343, 5370, 6981, 7124, 8220, 8905, 9308, 10686, 10740, 11635, 13962, 17810, 21372, 23270, 24523, 26715, 27924, 34905, 35620, 46540, 49046, 53430, 69810, 73569, 98092, 106860, 122615, 139620, 147138, 245230, 294276, 318799, 367845, 490460, 637598, 735690, 956397, 1275196, 1471380, 1593995, 1912794, 3187990, 3825588, 4781985, 6375980, 9563970, 19127940]

約数ペア:

[(1, 19127940), (2, 9563970), (3, 6375980), (4, 4781985), (5, 3825588), (6, 3187990), (10, 1912794), (12, 1593995), (13, 1471380), (15, 1275196), (20, 956397), (26, 735690), (30, 637598), (39, 490460), (52, 367845), (60, 318799), (65, 294276), (78, 245230), (130, 147138), (137, 139620), (156, 122615), (179, 106860), (195, 98092), (260, 73569), (274, 69810), (358, 53430), (390, 49046), (411, 46540), (537, 35620), (548, 34905), (685, 27924), (716, 26715), (780, 24523), (822, 23270), (895, 21372), (1074, 17810), (1370, 13962), (1644, 11635), (1781, 10740), (1790, 10686), (2055, 9308), (2148, 8905), (2327, 8220), (2685, 7124), (2740, 6981), (3562, 5370), (3580, 5343), (4110, 4654)]