18832905

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:117

約数の個数: 120

約数和(自身を含む): 42871752

約数和(自身を除く): 24038847

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 49, 63, 65, 73, 81, 91, 105, 117, 135, 147, 189, 195, 219, 245, 273, 315, 351, 365, 405, 441, 455, 511, 567, 585, 637, 657, 735, 819, 945, 949, 1053, 1095, 1323, 1365, 1533, 1755, 1911, 1971, 2205, 2457, 2555, 2835, 2847, 3185, 3285, 3577, 3969, 4095, 4599, 4745, 5265, 5733, 5913, 6615, 6643, 7371, 7665, 8541, 9555, 9855, 10731, 12285, 13797, 14235, 17199, 17885, 19845, 19929, 22995, 25623, 28665, 29565, 32193, 33215, 36855, 41391, 42705, 46501, 51597, 53655, 59787, 68985, 76869, 85995, 96579, 99645, 128115, 139503, 160965, 179361, 206955, 232505, 257985, 289737, 298935, 384345, 418509, 482895, 538083, 697515, 896805, 1255527, 1448685, 2092545, 2690415, 3766581, 6277635, 18832905]

約数ペア:

[(1, 18832905), (3, 6277635), (5, 3766581), (7, 2690415), (9, 2092545), (13, 1448685), (15, 1255527), (21, 896805), (27, 697515), (35, 538083), (39, 482895), (45, 418509), (49, 384345), (63, 298935), (65, 289737), (73, 257985), (81, 232505), (91, 206955), (105, 179361), (117, 160965), (135, 139503), (147, 128115), (189, 99645), (195, 96579), (219, 85995), (245, 76869), (273, 68985), (315, 59787), (351, 53655), (365, 51597), (405, 46501), (441, 42705), (455, 41391), (511, 36855), (567, 33215), (585, 32193), (637, 29565), (657, 28665), (735, 25623), (819, 22995), (945, 19929), (949, 19845), (1053, 17885), (1095, 17199), (1323, 14235), (1365, 13797), (1533, 12285), (1755, 10731), (1911, 9855), (1971, 9555), (2205, 8541), (2457, 7665), (2555, 7371), (2835, 6643), (2847, 6615), (3185, 5913), (3285, 5733), (3577, 5265), (3969, 4745), (4095, 4599)]