19981848

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{683}}^1$

素因数の和:768

約数の個数: 64

約数和(自身を含む): 53187840

約数和(自身を除く): 33205992

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 53, 69, 92, 106, 138, 159, 184, 212, 276, 318, 424, 552, 636, 683, 1219, 1272, 1366, 2049, 2438, 2732, 3657, 4098, 4876, 5464, 7314, 8196, 9752, 14628, 15709, 16392, 29256, 31418, 36199, 47127, 62836, 72398, 94254, 108597, 125672, 144796, 188508, 217194, 289592, 377016, 434388, 832577, 868776, 1665154, 2497731, 3330308, 4995462, 6660616, 9990924, 19981848]

約数ペア:

[(1, 19981848), (2, 9990924), (3, 6660616), (4, 4995462), (6, 3330308), (8, 2497731), (12, 1665154), (23, 868776), (24, 832577), (46, 434388), (53, 377016), (69, 289592), (92, 217194), (106, 188508), (138, 144796), (159, 125672), (184, 108597), (212, 94254), (276, 72398), (318, 62836), (424, 47127), (552, 36199), (636, 31418), (683, 29256), (1219, 16392), (1272, 15709), (1366, 14628), (2049, 9752), (2438, 8196), (2732, 7314), (3657, 5464), (4098, 4876)]