19999350

素因数分解:

$2^1\times 3^2\times 5^2\times 7^2\times {\mathrm{907}}^1$

素因数の和:939

約数の個数: 108

約数和(自身を含む): 62573004

約数和(自身を除く): 42573654

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 49, 50, 63, 70, 75, 90, 98, 105, 126, 147, 150, 175, 210, 225, 245, 294, 315, 350, 441, 450, 490, 525, 630, 735, 882, 907, 1050, 1225, 1470, 1575, 1814, 2205, 2450, 2721, 3150, 3675, 4410, 4535, 5442, 6349, 7350, 8163, 9070, 11025, 12698, 13605, 16326, 19047, 22050, 22675, 27210, 31745, 38094, 40815, 44443, 45350, 57141, 63490, 68025, 81630, 88886, 95235, 114282, 133329, 136050, 158725, 190470, 204075, 222215, 266658, 285705, 317450, 399987, 408150, 444430, 476175, 571410, 666645, 799974, 952350, 1111075, 1333290, 1428525, 1999935, 2222150, 2857050, 3333225, 3999870, 6666450, 9999675, 19999350]

約数ペア:

[(1, 19999350), (2, 9999675), (3, 6666450), (5, 3999870), (6, 3333225), (7, 2857050), (9, 2222150), (10, 1999935), (14, 1428525), (15, 1333290), (18, 1111075), (21, 952350), (25, 799974), (30, 666645), (35, 571410), (42, 476175), (45, 444430), (49, 408150), (50, 399987), (63, 317450), (70, 285705), (75, 266658), (90, 222215), (98, 204075), (105, 190470), (126, 158725), (147, 136050), (150, 133329), (175, 114282), (210, 95235), (225, 88886), (245, 81630), (294, 68025), (315, 63490), (350, 57141), (441, 45350), (450, 44443), (490, 40815), (525, 38094), (630, 31745), (735, 27210), (882, 22675), (907, 22050), (1050, 19047), (1225, 16326), (1470, 13605), (1575, 12698), (1814, 11025), (2205, 9070), (2450, 8163), (2721, 7350), (3150, 6349), (3675, 5442), (4410, 4535)]