18738225

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 37488672

約数和(自身を除く): 18750447

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 67, 75, 99, 113, 165, 201, 225, 275, 335, 339, 495, 565, 603, 737, 825, 1005, 1017, 1243, 1675, 1695, 2211, 2475, 2825, 3015, 3685, 3729, 5025, 5085, 6215, 6633, 7571, 8475, 11055, 11187, 15075, 18425, 18645, 22713, 25425, 31075, 33165, 37855, 55275, 55935, 68139, 83281, 93225, 113565, 165825, 189275, 249843, 279675, 340695, 416405, 567825, 749529, 1249215, 1703475, 2082025, 3747645, 6246075, 18738225]

約数ペア:

[(1, 18738225), (3, 6246075), (5, 3747645), (9, 2082025), (11, 1703475), (15, 1249215), (25, 749529), (33, 567825), (45, 416405), (55, 340695), (67, 279675), (75, 249843), (99, 189275), (113, 165825), (165, 113565), (201, 93225), (225, 83281), (275, 68139), (335, 55935), (339, 55275), (495, 37855), (565, 33165), (603, 31075), (737, 25425), (825, 22713), (1005, 18645), (1017, 18425), (1243, 15075), (1675, 11187), (1695, 11055), (2211, 8475), (2475, 7571), (2825, 6633), (3015, 6215), (3685, 5085), (3729, 5025)]