19225568

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 40360320

約数和(自身を除く): 21134752

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 103, 152, 206, 304, 307, 412, 608, 614, 824, 1228, 1648, 1957, 2456, 3296, 3914, 4912, 5833, 7828, 9824, 11666, 15656, 23332, 31312, 31621, 46664, 62624, 63242, 93328, 126484, 186656, 252968, 505936, 600799, 1011872, 1201598, 2403196, 4806392, 9612784, 19225568]

約数ペア:

[(1, 19225568), (2, 9612784), (4, 4806392), (8, 2403196), (16, 1201598), (19, 1011872), (32, 600799), (38, 505936), (76, 252968), (103, 186656), (152, 126484), (206, 93328), (304, 63242), (307, 62624), (412, 46664), (608, 31621), (614, 31312), (824, 23332), (1228, 15656), (1648, 11666), (1957, 9824), (2456, 7828), (3296, 5833), (3914, 4912)]