19817928

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:739

約数の個数: 96

約数和(自身を含む): 59754240

約数和(自身を除く): 39936312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 31, 36, 39, 52, 62, 72, 78, 93, 104, 117, 124, 156, 186, 234, 248, 279, 312, 372, 403, 468, 558, 683, 744, 806, 936, 1116, 1209, 1366, 1612, 2049, 2232, 2418, 2732, 3224, 3627, 4098, 4836, 5464, 6147, 7254, 8196, 8879, 9672, 12294, 14508, 16392, 17758, 21173, 24588, 26637, 29016, 35516, 42346, 49176, 53274, 63519, 71032, 79911, 84692, 106548, 127038, 159822, 169384, 190557, 213096, 254076, 275249, 319644, 381114, 508152, 550498, 639288, 762228, 825747, 1100996, 1524456, 1651494, 2201992, 2477241, 3302988, 4954482, 6605976, 9908964, 19817928]

約数ペア:

[(1, 19817928), (2, 9908964), (3, 6605976), (4, 4954482), (6, 3302988), (8, 2477241), (9, 2201992), (12, 1651494), (13, 1524456), (18, 1100996), (24, 825747), (26, 762228), (31, 639288), (36, 550498), (39, 508152), (52, 381114), (62, 319644), (72, 275249), (78, 254076), (93, 213096), (104, 190557), (117, 169384), (124, 159822), (156, 127038), (186, 106548), (234, 84692), (248, 79911), (279, 71032), (312, 63519), (372, 53274), (403, 49176), (468, 42346), (558, 35516), (683, 29016), (744, 26637), (806, 24588), (936, 21173), (1116, 17758), (1209, 16392), (1366, 14508), (1612, 12294), (2049, 9672), (2232, 8879), (2418, 8196), (2732, 7254), (3224, 6147), (3627, 5464), (4098, 4836)]