19413460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1117}}^1$

素因数の和:1216

約数の個数: 48

約数和(自身を含む): 45077760

約数和(自身を除く): 25664300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1117, 1580, 1738, 2234, 3476, 4345, 4468, 5585, 8690, 11170, 12287, 17380, 22340, 24574, 49148, 61435, 88243, 122870, 176486, 245740, 352972, 441215, 882430, 970673, 1764860, 1941346, 3882692, 4853365, 9706730, 19413460]

約数ペア:

[(1, 19413460), (2, 9706730), (4, 4853365), (5, 3882692), (10, 1941346), (11, 1764860), (20, 970673), (22, 882430), (44, 441215), (55, 352972), (79, 245740), (110, 176486), (158, 122870), (220, 88243), (316, 61435), (395, 49148), (790, 24574), (869, 22340), (1117, 17380), (1580, 12287), (1738, 11170), (2234, 8690), (3476, 5585), (4345, 4468)]