19412030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 39184992

約数和(自身を除く): 19772962

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 121, 122, 242, 263, 305, 526, 605, 610, 671, 1210, 1315, 1342, 2630, 2893, 3355, 5786, 6710, 7381, 14465, 14762, 16043, 28930, 31823, 32086, 36905, 63646, 73810, 80215, 159115, 160430, 176473, 318230, 352946, 882365, 1764730, 1941203, 3882406, 9706015, 19412030]

約数ペア:

[(1, 19412030), (2, 9706015), (5, 3882406), (10, 1941203), (11, 1764730), (22, 882365), (55, 352946), (61, 318230), (110, 176473), (121, 160430), (122, 159115), (242, 80215), (263, 73810), (305, 63646), (526, 36905), (605, 32086), (610, 31823), (671, 28930), (1210, 16043), (1315, 14762), (1342, 14465), (2630, 7381), (2893, 6710), (3355, 5786)]