18765432

素因数分解:

$2^3\times 3^5\times 7^2\times {\mathrm{197}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 61621560

約数和(自身を除く): 42856128

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 63, 72, 81, 84, 98, 108, 126, 147, 162, 168, 189, 196, 197, 216, 243, 252, 294, 324, 378, 392, 394, 441, 486, 504, 567, 588, 591, 648, 756, 788, 882, 972, 1134, 1176, 1182, 1323, 1379, 1512, 1576, 1701, 1764, 1773, 1944, 2268, 2364, 2646, 2758, 3402, 3528, 3546, 3969, 4137, 4536, 4728, 5292, 5319, 5516, 6804, 7092, 7938, 8274, 9653, 10584, 10638, 11032, 11907, 12411, 13608, 14184, 15876, 15957, 16548, 19306, 21276, 23814, 24822, 28959, 31752, 31914, 33096, 37233, 38612, 42552, 47628, 47871, 49644, 57918, 63828, 74466, 77224, 86877, 95256, 95742, 99288, 111699, 115836, 127656, 148932, 173754, 191484, 223398, 231672, 260631, 297864, 335097, 347508, 382968, 446796, 521262, 670194, 695016, 781893, 893592, 1042524, 1340388, 1563786, 2085048, 2345679, 2680776, 3127572, 4691358, 6255144, 9382716, 18765432]

約数ペア:

[(1, 18765432), (2, 9382716), (3, 6255144), (4, 4691358), (6, 3127572), (7, 2680776), (8, 2345679), (9, 2085048), (12, 1563786), (14, 1340388), (18, 1042524), (21, 893592), (24, 781893), (27, 695016), (28, 670194), (36, 521262), (42, 446796), (49, 382968), (54, 347508), (56, 335097), (63, 297864), (72, 260631), (81, 231672), (84, 223398), (98, 191484), (108, 173754), (126, 148932), (147, 127656), (162, 115836), (168, 111699), (189, 99288), (196, 95742), (197, 95256), (216, 86877), (243, 77224), (252, 74466), (294, 63828), (324, 57918), (378, 49644), (392, 47871), (394, 47628), (441, 42552), (486, 38612), (504, 37233), (567, 33096), (588, 31914), (591, 31752), (648, 28959), (756, 24822), (788, 23814), (882, 21276), (972, 19306), (1134, 16548), (1176, 15957), (1182, 15876), (1323, 14184), (1379, 13608), (1512, 12411), (1576, 11907), (1701, 11032), (1764, 10638), (1773, 10584), (1944, 9653), (2268, 8274), (2364, 7938), (2646, 7092), (2758, 6804), (3402, 5516), (3528, 5319), (3546, 5292), (3969, 4728), (4137, 4536)]