19309430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 40851216

約数和(自身を除く): 21541786

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 157, 245, 251, 314, 490, 502, 785, 1099, 1255, 1570, 1757, 2198, 2510, 3514, 5495, 7693, 8785, 10990, 12299, 15386, 17570, 24598, 38465, 39407, 61495, 76930, 78814, 122990, 197035, 275849, 394070, 551698, 1379245, 1930943, 2758490, 3861886, 9654715, 19309430]

約数ペア:

[(1, 19309430), (2, 9654715), (5, 3861886), (7, 2758490), (10, 1930943), (14, 1379245), (35, 551698), (49, 394070), (70, 275849), (98, 197035), (157, 122990), (245, 78814), (251, 76930), (314, 61495), (490, 39407), (502, 38465), (785, 24598), (1099, 17570), (1255, 15386), (1570, 12299), (1757, 10990), (2198, 8785), (2510, 7693), (3514, 5495)]