19008992

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 40198032

約数和(自身を除く): 21189040

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 83, 136, 166, 272, 332, 421, 544, 664, 842, 1328, 1411, 1684, 2656, 2822, 3368, 5644, 6736, 7157, 11288, 13472, 14314, 22576, 28628, 34943, 45152, 57256, 69886, 114512, 139772, 229024, 279544, 559088, 594031, 1118176, 1188062, 2376124, 4752248, 9504496, 19008992]

約数ペア:

[(1, 19008992), (2, 9504496), (4, 4752248), (8, 2376124), (16, 1188062), (17, 1118176), (32, 594031), (34, 559088), (68, 279544), (83, 229024), (136, 139772), (166, 114512), (272, 69886), (332, 57256), (421, 45152), (544, 34943), (664, 28628), (842, 22576), (1328, 14314), (1411, 13472), (1684, 11288), (2656, 7157), (2822, 6736), (3368, 5644)]