18728952

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1163}}^1$

素因数の和:1244

約数の個数: 64

約数和(自身を含む): 51960960

約数和(自身を除く): 33232008

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 61, 66, 88, 122, 132, 183, 244, 264, 366, 488, 671, 732, 1163, 1342, 1464, 2013, 2326, 2684, 3489, 4026, 4652, 5368, 6978, 8052, 9304, 12793, 13956, 16104, 25586, 27912, 38379, 51172, 70943, 76758, 102344, 141886, 153516, 212829, 283772, 307032, 425658, 567544, 780373, 851316, 1560746, 1702632, 2341119, 3121492, 4682238, 6242984, 9364476, 18728952]

約数ペア:

[(1, 18728952), (2, 9364476), (3, 6242984), (4, 4682238), (6, 3121492), (8, 2341119), (11, 1702632), (12, 1560746), (22, 851316), (24, 780373), (33, 567544), (44, 425658), (61, 307032), (66, 283772), (88, 212829), (122, 153516), (132, 141886), (183, 102344), (244, 76758), (264, 70943), (366, 51172), (488, 38379), (671, 27912), (732, 25586), (1163, 16104), (1342, 13956), (1464, 12793), (2013, 9304), (2326, 8052), (2684, 6978), (3489, 5368), (4026, 4652)]