19739060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 48771072

約数和(自身を除く): 29032012

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 47, 55, 83, 92, 94, 110, 115, 166, 188, 220, 230, 235, 253, 332, 415, 460, 470, 506, 517, 830, 913, 940, 1012, 1034, 1081, 1265, 1660, 1826, 1909, 2068, 2162, 2530, 2585, 3652, 3818, 3901, 4324, 4565, 5060, 5170, 5405, 7636, 7802, 9130, 9545, 10340, 10810, 11891, 15604, 18260, 19090, 19505, 20999, 21620, 23782, 38180, 39010, 41998, 42911, 47564, 59455, 78020, 83996, 85822, 89723, 104995, 118910, 171644, 179446, 209990, 214555, 237820, 358892, 419980, 429110, 448615, 858220, 897230, 986953, 1794460, 1973906, 3947812, 4934765, 9869530, 19739060]

約数ペア:

[(1, 19739060), (2, 9869530), (4, 4934765), (5, 3947812), (10, 1973906), (11, 1794460), (20, 986953), (22, 897230), (23, 858220), (44, 448615), (46, 429110), (47, 419980), (55, 358892), (83, 237820), (92, 214555), (94, 209990), (110, 179446), (115, 171644), (166, 118910), (188, 104995), (220, 89723), (230, 85822), (235, 83996), (253, 78020), (332, 59455), (415, 47564), (460, 42911), (470, 41998), (506, 39010), (517, 38180), (830, 23782), (913, 21620), (940, 20999), (1012, 19505), (1034, 19090), (1081, 18260), (1265, 15604), (1660, 11891), (1826, 10810), (1909, 10340), (2068, 9545), (2162, 9130), (2530, 7802), (2585, 7636), (3652, 5405), (3818, 5170), (3901, 5060), (4324, 4565)]