19188260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{811}}^1$

素因数の和:853

約数の個数: 72

約数和(自身を含む): 49928256

約数和(自身を除く): 30739996

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 811, 845, 910, 1183, 1622, 1690, 1820, 2366, 3244, 3380, 4055, 4732, 5677, 5915, 8110, 10543, 11354, 11830, 16220, 21086, 22708, 23660, 28385, 42172, 52715, 56770, 73801, 105430, 113540, 137059, 147602, 210860, 274118, 295204, 369005, 548236, 685295, 738010, 959413, 1370590, 1476020, 1918826, 2741180, 3837652, 4797065, 9594130, 19188260]

約数ペア:

[(1, 19188260), (2, 9594130), (4, 4797065), (5, 3837652), (7, 2741180), (10, 1918826), (13, 1476020), (14, 1370590), (20, 959413), (26, 738010), (28, 685295), (35, 548236), (52, 369005), (65, 295204), (70, 274118), (91, 210860), (130, 147602), (140, 137059), (169, 113540), (182, 105430), (260, 73801), (338, 56770), (364, 52715), (455, 42172), (676, 28385), (811, 23660), (845, 22708), (910, 21086), (1183, 16220), (1622, 11830), (1690, 11354), (1820, 10543), (2366, 8110), (3244, 5915), (3380, 5677), (4055, 4732)]