19457690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 43110144

約数和(自身を除く): 23652454

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 83, 85, 119, 166, 170, 197, 238, 394, 415, 581, 595, 830, 985, 1162, 1190, 1379, 1411, 1970, 2758, 2822, 2905, 3349, 5810, 6698, 6895, 7055, 9877, 13790, 14110, 16351, 16745, 19754, 23443, 32702, 33490, 46886, 49385, 81755, 98770, 114457, 117215, 163510, 228914, 234430, 277967, 555934, 572285, 1144570, 1389835, 1945769, 2779670, 3891538, 9728845, 19457690]

約数ペア:

[(1, 19457690), (2, 9728845), (5, 3891538), (7, 2779670), (10, 1945769), (14, 1389835), (17, 1144570), (34, 572285), (35, 555934), (70, 277967), (83, 234430), (85, 228914), (119, 163510), (166, 117215), (170, 114457), (197, 98770), (238, 81755), (394, 49385), (415, 46886), (581, 33490), (595, 32702), (830, 23443), (985, 19754), (1162, 16745), (1190, 16351), (1379, 14110), (1411, 13790), (1970, 9877), (2758, 7055), (2822, 6895), (2905, 6698), (3349, 5810)]