15820312

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:188

約数の個数: 64

約数和(自身を含む): 33516000

約数和(自身を除く): 17695688

約数列:

[1, 2, 4, 8, 19, 29, 37, 38, 58, 74, 76, 97, 116, 148, 152, 194, 232, 296, 388, 551, 703, 776, 1073, 1102, 1406, 1843, 2146, 2204, 2812, 2813, 3589, 3686, 4292, 4408, 5624, 5626, 7178, 7372, 8584, 11252, 14356, 14744, 20387, 22504, 28712, 40774, 53447, 68191, 81548, 104081, 106894, 136382, 163096, 208162, 213788, 272764, 416324, 427576, 545528, 832648, 1977539, 3955078, 7910156, 15820312]

約数ペア:

[(1, 15820312), (2, 7910156), (4, 3955078), (8, 1977539), (19, 832648), (29, 545528), (37, 427576), (38, 416324), (58, 272764), (74, 213788), (76, 208162), (97, 163096), (116, 136382), (148, 106894), (152, 104081), (194, 81548), (232, 68191), (296, 53447), (388, 40774), (551, 28712), (703, 22504), (776, 20387), (1073, 14744), (1102, 14356), (1406, 11252), (1843, 8584), (2146, 7372), (2204, 7178), (2812, 5626), (2813, 5624), (3589, 4408), (3686, 4292)]