19931800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:665

約数の個数: 96

約数和(自身を含む): 55353600

約数和(自身を除く): 35421800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 92, 100, 115, 140, 161, 175, 184, 200, 230, 280, 322, 350, 460, 575, 619, 644, 700, 805, 920, 1150, 1238, 1288, 1400, 1610, 2300, 2476, 3095, 3220, 4025, 4333, 4600, 4952, 6190, 6440, 8050, 8666, 12380, 14237, 15475, 16100, 17332, 21665, 24760, 28474, 30950, 32200, 34664, 43330, 56948, 61900, 71185, 86660, 99659, 108325, 113896, 123800, 142370, 173320, 199318, 216650, 284740, 355925, 398636, 433300, 498295, 569480, 711850, 797272, 866600, 996590, 1423700, 1993180, 2491475, 2847400, 3986360, 4982950, 9965900, 19931800]

約数ペア:

[(1, 19931800), (2, 9965900), (4, 4982950), (5, 3986360), (7, 2847400), (8, 2491475), (10, 1993180), (14, 1423700), (20, 996590), (23, 866600), (25, 797272), (28, 711850), (35, 569480), (40, 498295), (46, 433300), (50, 398636), (56, 355925), (70, 284740), (92, 216650), (100, 199318), (115, 173320), (140, 142370), (161, 123800), (175, 113896), (184, 108325), (200, 99659), (230, 86660), (280, 71185), (322, 61900), (350, 56948), (460, 43330), (575, 34664), (619, 32200), (644, 30950), (700, 28474), (805, 24760), (920, 21665), (1150, 17332), (1238, 16100), (1288, 15475), (1400, 14237), (1610, 12380), (2300, 8666), (2476, 8050), (3095, 6440), (3220, 6190), (4025, 4952), (4333, 4600)]