19449616

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{467}}^1$

素因数の和:631

約数の個数: 40

約数和(自身を含む): 40042080

約数和(自身を除く): 20592464

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 137, 152, 274, 304, 467, 548, 934, 1096, 1868, 2192, 2603, 3736, 5206, 7472, 8873, 10412, 17746, 20824, 35492, 41648, 63979, 70984, 127958, 141968, 255916, 511832, 1023664, 1215601, 2431202, 4862404, 9724808, 19449616]

約数ペア:

[(1, 19449616), (2, 9724808), (4, 4862404), (8, 2431202), (16, 1215601), (19, 1023664), (38, 511832), (76, 255916), (137, 141968), (152, 127958), (274, 70984), (304, 63979), (467, 41648), (548, 35492), (934, 20824), (1096, 17746), (1868, 10412), (2192, 8873), (2603, 7472), (3736, 5206)]