19124320

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:200

約数の個数: 96

約数和(自身を含む): 48988800

約数和(自身を除く): 29864480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 79, 80, 85, 89, 136, 158, 160, 170, 178, 272, 316, 340, 356, 395, 445, 544, 632, 680, 712, 790, 890, 1264, 1343, 1360, 1424, 1513, 1580, 1780, 2528, 2686, 2720, 2848, 3026, 3160, 3560, 5372, 6052, 6320, 6715, 7031, 7120, 7565, 10744, 12104, 12640, 13430, 14062, 14240, 15130, 21488, 24208, 26860, 28124, 30260, 35155, 42976, 48416, 53720, 56248, 60520, 70310, 107440, 112496, 119527, 121040, 140620, 214880, 224992, 239054, 242080, 281240, 478108, 562480, 597635, 956216, 1124960, 1195270, 1912432, 2390540, 3824864, 4781080, 9562160, 19124320]

約数ペア:

[(1, 19124320), (2, 9562160), (4, 4781080), (5, 3824864), (8, 2390540), (10, 1912432), (16, 1195270), (17, 1124960), (20, 956216), (32, 597635), (34, 562480), (40, 478108), (68, 281240), (79, 242080), (80, 239054), (85, 224992), (89, 214880), (136, 140620), (158, 121040), (160, 119527), (170, 112496), (178, 107440), (272, 70310), (316, 60520), (340, 56248), (356, 53720), (395, 48416), (445, 42976), (544, 35155), (632, 30260), (680, 28124), (712, 26860), (790, 24208), (890, 21488), (1264, 15130), (1343, 14240), (1360, 14062), (1424, 13430), (1513, 12640), (1580, 12104), (1780, 10744), (2528, 7565), (2686, 7120), (2720, 7031), (2848, 6715), (3026, 6320), (3160, 6052), (3560, 5372)]