19402240

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:100

約数の個数: 160

約数和(自身を含む): 55683936

約数和(自身を除く): 36281696

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 53, 55, 64, 65, 80, 88, 104, 106, 110, 128, 130, 143, 160, 176, 208, 212, 220, 256, 260, 265, 286, 320, 352, 416, 424, 440, 512, 520, 530, 572, 583, 640, 689, 704, 715, 832, 848, 880, 1040, 1060, 1144, 1166, 1280, 1378, 1408, 1430, 1664, 1696, 1760, 2080, 2120, 2288, 2332, 2560, 2756, 2816, 2860, 2915, 3328, 3392, 3445, 3520, 4160, 4240, 4576, 4664, 5512, 5632, 5720, 5830, 6656, 6784, 6890, 7040, 7579, 8320, 8480, 9152, 9328, 11024, 11440, 11660, 13568, 13780, 14080, 15158, 16640, 16960, 18304, 18656, 22048, 22880, 23320, 27136, 27560, 28160, 30316, 33280, 33920, 36608, 37312, 37895, 44096, 45760, 46640, 55120, 60632, 67840, 73216, 74624, 75790, 88192, 91520, 93280, 110240, 121264, 135680, 149248, 151580, 176384, 183040, 186560, 220480, 242528, 298496, 303160, 352768, 366080, 373120, 440960, 485056, 606320, 746240, 881920, 970112, 1212640, 1492480, 1763840, 1940224, 2425280, 3880448, 4850560, 9701120, 19402240]

約数ペア:

[(1, 19402240), (2, 9701120), (4, 4850560), (5, 3880448), (8, 2425280), (10, 1940224), (11, 1763840), (13, 1492480), (16, 1212640), (20, 970112), (22, 881920), (26, 746240), (32, 606320), (40, 485056), (44, 440960), (52, 373120), (53, 366080), (55, 352768), (64, 303160), (65, 298496), (80, 242528), (88, 220480), (104, 186560), (106, 183040), (110, 176384), (128, 151580), (130, 149248), (143, 135680), (160, 121264), (176, 110240), (208, 93280), (212, 91520), (220, 88192), (256, 75790), (260, 74624), (265, 73216), (286, 67840), (320, 60632), (352, 55120), (416, 46640), (424, 45760), (440, 44096), (512, 37895), (520, 37312), (530, 36608), (572, 33920), (583, 33280), (640, 30316), (689, 28160), (704, 27560), (715, 27136), (832, 23320), (848, 22880), (880, 22048), (1040, 18656), (1060, 18304), (1144, 16960), (1166, 16640), (1280, 15158), (1378, 14080), (1408, 13780), (1430, 13568), (1664, 11660), (1696, 11440), (1760, 11024), (2080, 9328), (2120, 9152), (2288, 8480), (2332, 8320), (2560, 7579), (2756, 7040), (2816, 6890), (2860, 6784), (2915, 6656), (3328, 5830), (3392, 5720), (3445, 5632), (3520, 5512), (4160, 4664), (4240, 4576)]