19633744

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 60

約数和(自身を含む): 42275196

約数和(自身を除く): 22641452

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 137, 169, 208, 212, 274, 338, 424, 548, 676, 689, 848, 1096, 1352, 1378, 1781, 2192, 2704, 2756, 3562, 5512, 7124, 7261, 8957, 11024, 14248, 14522, 17914, 23153, 28496, 29044, 35828, 46306, 58088, 71656, 92612, 94393, 116176, 143312, 185224, 188786, 370448, 377572, 755144, 1227109, 1510288, 2454218, 4908436, 9816872, 19633744]

約数ペア:

[(1, 19633744), (2, 9816872), (4, 4908436), (8, 2454218), (13, 1510288), (16, 1227109), (26, 755144), (52, 377572), (53, 370448), (104, 188786), (106, 185224), (137, 143312), (169, 116176), (208, 94393), (212, 92612), (274, 71656), (338, 58088), (424, 46306), (548, 35828), (676, 29044), (689, 28496), (848, 23153), (1096, 17914), (1352, 14522), (1378, 14248), (1781, 11024), (2192, 8957), (2704, 7261), (2756, 7124), (3562, 5512)]