18936691235

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1\times {\mathrm{1543}}^1$

素因数の和:1944

約数の個数: 64

約数和(自身を含む): 28686680064

約数和(自身を除く): 9749988829

約数列:

[1, 5, 7, 11, 35, 55, 77, 127, 251, 385, 635, 889, 1255, 1397, 1543, 1757, 2761, 4445, 6985, 7715, 8785, 9779, 10801, 13805, 16973, 19327, 31877, 48895, 54005, 84865, 96635, 118811, 159385, 195961, 223139, 350647, 387293, 594055, 979805, 1115695, 1371727, 1753235, 1936465, 2155571, 2454529, 2711051, 4260223, 6858635, 10777855, 12272645, 13555255, 15088997, 21301115, 29821561, 49186211, 75444985, 149107805, 245931055, 344303477, 541048321, 1721517385, 2705241605, 3787338247, 18936691235]

約数ペア:

[(1, 18936691235), (5, 3787338247), (7, 2705241605), (11, 1721517385), (35, 541048321), (55, 344303477), (77, 245931055), (127, 149107805), (251, 75444985), (385, 49186211), (635, 29821561), (889, 21301115), (1255, 15088997), (1397, 13555255), (1543, 12272645), (1757, 10777855), (2761, 6858635), (4445, 4260223), (6985, 2711051), (7715, 2454529), (8785, 2155571), (9779, 1936465), (10801, 1753235), (13805, 1371727), (16973, 1115695), (19327, 979805), (31877, 594055), (48895, 387293), (54005, 350647), (84865, 223139), (96635, 195961), (118811, 159385)]