19413036

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 50909040

約数和(自身を除く): 31496004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 83, 89, 146, 166, 178, 219, 249, 267, 292, 332, 356, 438, 498, 534, 657, 747, 801, 876, 996, 1068, 1314, 1494, 1602, 2628, 2988, 3204, 6059, 6497, 7387, 12118, 12994, 14774, 18177, 19491, 22161, 24236, 25988, 29548, 36354, 38982, 44322, 54531, 58473, 66483, 72708, 77964, 88644, 109062, 116946, 132966, 218124, 233892, 265932, 539251, 1078502, 1617753, 2157004, 3235506, 4853259, 6471012, 9706518, 19413036]

約数ペア:

[(1, 19413036), (2, 9706518), (3, 6471012), (4, 4853259), (6, 3235506), (9, 2157004), (12, 1617753), (18, 1078502), (36, 539251), (73, 265932), (83, 233892), (89, 218124), (146, 132966), (166, 116946), (178, 109062), (219, 88644), (249, 77964), (267, 72708), (292, 66483), (332, 58473), (356, 54531), (438, 44322), (498, 38982), (534, 36354), (657, 29548), (747, 25988), (801, 24236), (876, 22161), (996, 19491), (1068, 18177), (1314, 14774), (1494, 12994), (1602, 12118), (2628, 7387), (2988, 6497), (3204, 6059)]