18715691896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{563}}^1\times {\mathrm{3343}}^1$

素因数の和:4036

約数の個数: 64

約数和(自身を含む): 38701048320

約数和(自身を除く): 19985356424

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 113, 226, 452, 563, 904, 1126, 1243, 2252, 2486, 3343, 4504, 4972, 6193, 6686, 9944, 12386, 13372, 24772, 26744, 36773, 49544, 63619, 73546, 127238, 147092, 254476, 294184, 377759, 508952, 699809, 755518, 1399618, 1511036, 1882109, 2799236, 3022072, 3764218, 4155349, 5598472, 7528436, 8310698, 15056872, 16621396, 20703199, 33242792, 41406398, 82812796, 165625592, 212678317, 425356634, 850713268, 1701426536, 2339461487, 4678922974, 9357845948, 18715691896]

約数ペア:

[(1, 18715691896), (2, 9357845948), (4, 4678922974), (8, 2339461487), (11, 1701426536), (22, 850713268), (44, 425356634), (88, 212678317), (113, 165625592), (226, 82812796), (452, 41406398), (563, 33242792), (904, 20703199), (1126, 16621396), (1243, 15056872), (2252, 8310698), (2486, 7528436), (3343, 5598472), (4504, 4155349), (4972, 3764218), (6193, 3022072), (6686, 2799236), (9944, 1882109), (12386, 1511036), (13372, 1399618), (24772, 755518), (26744, 699809), (36773, 508952), (49544, 377759), (63619, 294184), (73546, 254476), (127238, 147092)]