18328312

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 39463200

約数和(自身を除く): 21134888

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 41, 68, 76, 82, 136, 152, 164, 173, 323, 328, 346, 646, 692, 697, 779, 1292, 1384, 1394, 1558, 2584, 2788, 2941, 3116, 3287, 5576, 5882, 6232, 6574, 7093, 11764, 13148, 13243, 14186, 23528, 26296, 26486, 28372, 52972, 55879, 56744, 105944, 111758, 120581, 134767, 223516, 241162, 269534, 447032, 482324, 539068, 964648, 1078136, 2291039, 4582078, 9164156, 18328312]

約数ペア:

[(1, 18328312), (2, 9164156), (4, 4582078), (8, 2291039), (17, 1078136), (19, 964648), (34, 539068), (38, 482324), (41, 447032), (68, 269534), (76, 241162), (82, 223516), (136, 134767), (152, 120581), (164, 111758), (173, 105944), (323, 56744), (328, 55879), (346, 52972), (646, 28372), (692, 26486), (697, 26296), (779, 23528), (1292, 14186), (1384, 13243), (1394, 13148), (1558, 11764), (2584, 7093), (2788, 6574), (2941, 6232), (3116, 5882), (3287, 5576)]