19691672

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2459}}^1$

素因数の和:2496

約数の個数: 64

約数和(自身を含む): 49593600

約数和(自身を除く): 29901928

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 2459, 4004, 4918, 8008, 9836, 17213, 19672, 27049, 31967, 34426, 54098, 63934, 68852, 108196, 127868, 137704, 189343, 216392, 223769, 255736, 351637, 378686, 447538, 703274, 757372, 895076, 1406548, 1514744, 1790152, 2461459, 2813096, 4922918, 9845836, 19691672]

約数ペア:

[(1, 19691672), (2, 9845836), (4, 4922918), (7, 2813096), (8, 2461459), (11, 1790152), (13, 1514744), (14, 1406548), (22, 895076), (26, 757372), (28, 703274), (44, 447538), (52, 378686), (56, 351637), (77, 255736), (88, 223769), (91, 216392), (104, 189343), (143, 137704), (154, 127868), (182, 108196), (286, 68852), (308, 63934), (364, 54098), (572, 34426), (616, 31967), (728, 27049), (1001, 19672), (1144, 17213), (2002, 9836), (2459, 8008), (4004, 4918)]