19016948

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 19085452

約数列:

[1, 2, 4, 17, 19, 34, 38, 41, 68, 76, 82, 164, 323, 359, 646, 697, 718, 779, 1292, 1394, 1436, 1558, 2788, 3116, 6103, 6821, 12206, 13243, 13642, 14719, 24412, 26486, 27284, 29438, 52972, 58876, 115957, 231914, 250223, 279661, 463828, 500446, 559322, 1000892, 1118644, 4754237, 9508474, 19016948]

約数ペア:

[(1, 19016948), (2, 9508474), (4, 4754237), (17, 1118644), (19, 1000892), (34, 559322), (38, 500446), (41, 463828), (68, 279661), (76, 250223), (82, 231914), (164, 115957), (323, 58876), (359, 52972), (646, 29438), (697, 27284), (718, 26486), (779, 24412), (1292, 14719), (1394, 13642), (1436, 13243), (1558, 12206), (2788, 6821), (3116, 6103)]