19242368

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 41860800

約数和(自身を除く): 22618432

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 64, 68, 74, 128, 136, 148, 239, 272, 296, 478, 544, 592, 629, 956, 1088, 1184, 1258, 1912, 2176, 2368, 2516, 3824, 4063, 4736, 5032, 7648, 8126, 8843, 10064, 15296, 16252, 17686, 20128, 30592, 32504, 35372, 40256, 65008, 70744, 80512, 130016, 141488, 150331, 260032, 282976, 300662, 520064, 565952, 601324, 1131904, 1202648, 2405296, 4810592, 9621184, 19242368]

約数ペア:

[(1, 19242368), (2, 9621184), (4, 4810592), (8, 2405296), (16, 1202648), (17, 1131904), (32, 601324), (34, 565952), (37, 520064), (64, 300662), (68, 282976), (74, 260032), (128, 150331), (136, 141488), (148, 130016), (239, 80512), (272, 70744), (296, 65008), (478, 40256), (544, 35372), (592, 32504), (629, 30592), (956, 20128), (1088, 17686), (1184, 16252), (1258, 15296), (1912, 10064), (2176, 8843), (2368, 8126), (2516, 7648), (3824, 5032), (4063, 4736)]