18756036

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:163

約数の個数: 120

約数和(自身を含む): 54404504

約数和(自身を除く): 35648468

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 61, 73, 78, 81, 108, 117, 122, 146, 156, 162, 183, 219, 234, 244, 292, 324, 351, 366, 438, 468, 549, 657, 702, 732, 793, 876, 949, 1053, 1098, 1314, 1404, 1586, 1647, 1898, 1971, 2106, 2196, 2379, 2628, 2847, 3172, 3294, 3796, 3942, 4212, 4453, 4758, 4941, 5694, 5913, 6588, 7137, 7884, 8541, 8906, 9516, 9882, 11388, 11826, 13359, 14274, 17082, 17812, 19764, 21411, 23652, 25623, 26718, 28548, 34164, 40077, 42822, 51246, 53436, 57889, 64233, 76869, 80154, 85644, 102492, 115778, 120231, 128466, 153738, 160308, 173667, 231556, 240462, 256932, 307476, 347334, 360693, 480924, 521001, 694668, 721386, 1042002, 1442772, 1563003, 2084004, 3126006, 4689009, 6252012, 9378018, 18756036]

約数ペア:

[(1, 18756036), (2, 9378018), (3, 6252012), (4, 4689009), (6, 3126006), (9, 2084004), (12, 1563003), (13, 1442772), (18, 1042002), (26, 721386), (27, 694668), (36, 521001), (39, 480924), (52, 360693), (54, 347334), (61, 307476), (73, 256932), (78, 240462), (81, 231556), (108, 173667), (117, 160308), (122, 153738), (146, 128466), (156, 120231), (162, 115778), (183, 102492), (219, 85644), (234, 80154), (244, 76869), (292, 64233), (324, 57889), (351, 53436), (366, 51246), (438, 42822), (468, 40077), (549, 34164), (657, 28548), (702, 26718), (732, 25623), (793, 23652), (876, 21411), (949, 19764), (1053, 17812), (1098, 17082), (1314, 14274), (1404, 13359), (1586, 11826), (1647, 11388), (1898, 9882), (1971, 9516), (2106, 8906), (2196, 8541), (2379, 7884), (2628, 7137), (2847, 6588), (3172, 5913), (3294, 5694), (3796, 4941), (3942, 4758), (4212, 4453)]