18721368

素因数分解:

$2^3\times 3^4\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:358

約数の個数: 80

約数和(自身を含む): 53056080

約数和(自身を除く): 34334712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 167, 173, 216, 324, 334, 346, 501, 519, 648, 668, 692, 1002, 1038, 1336, 1384, 1503, 1557, 2004, 2076, 3006, 3114, 4008, 4152, 4509, 4671, 6012, 6228, 9018, 9342, 12024, 12456, 13527, 14013, 18036, 18684, 27054, 28026, 28891, 36072, 37368, 54108, 56052, 57782, 86673, 108216, 112104, 115564, 173346, 231128, 260019, 346692, 520038, 693384, 780057, 1040076, 1560114, 2080152, 2340171, 3120228, 4680342, 6240456, 9360684, 18721368]

約数ペア:

[(1, 18721368), (2, 9360684), (3, 6240456), (4, 4680342), (6, 3120228), (8, 2340171), (9, 2080152), (12, 1560114), (18, 1040076), (24, 780057), (27, 693384), (36, 520038), (54, 346692), (72, 260019), (81, 231128), (108, 173346), (162, 115564), (167, 112104), (173, 108216), (216, 86673), (324, 57782), (334, 56052), (346, 54108), (501, 37368), (519, 36072), (648, 28891), (668, 28026), (692, 27054), (1002, 18684), (1038, 18036), (1336, 14013), (1384, 13527), (1503, 12456), (1557, 12024), (2004, 9342), (2076, 9018), (3006, 6228), (3114, 6012), (4008, 4671), (4152, 4509)]