19363552

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:635

約数の個数: 48

約数和(自身を含む): 41595120

約数和(自身を除く): 22231568

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 89, 104, 178, 208, 356, 416, 523, 712, 1046, 1157, 1424, 2092, 2314, 2848, 4184, 4628, 6799, 8368, 9256, 13598, 16736, 18512, 27196, 37024, 46547, 54392, 93094, 108784, 186188, 217568, 372376, 605111, 744752, 1210222, 1489504, 2420444, 4840888, 9681776, 19363552]

約数ペア:

[(1, 19363552), (2, 9681776), (4, 4840888), (8, 2420444), (13, 1489504), (16, 1210222), (26, 744752), (32, 605111), (52, 372376), (89, 217568), (104, 186188), (178, 108784), (208, 93094), (356, 54392), (416, 46547), (523, 37024), (712, 27196), (1046, 18512), (1157, 16736), (1424, 13598), (2092, 9256), (2314, 8368), (2848, 6799), (4184, 4628)]