18784560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:163

約数の個数: 160

約数和(自身を含む): 62995968

約数和(自身を除く): 44211408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 41, 46, 48, 60, 69, 80, 82, 83, 92, 115, 120, 123, 138, 164, 166, 184, 205, 230, 240, 246, 249, 276, 328, 332, 345, 368, 410, 415, 460, 492, 498, 552, 615, 656, 664, 690, 820, 830, 920, 943, 984, 996, 1104, 1230, 1245, 1328, 1380, 1640, 1660, 1840, 1886, 1909, 1968, 1992, 2460, 2490, 2760, 2829, 3280, 3320, 3403, 3772, 3818, 3984, 4715, 4920, 4980, 5520, 5658, 5727, 6640, 6806, 7544, 7636, 9430, 9545, 9840, 9960, 10209, 11316, 11454, 13612, 14145, 15088, 15272, 17015, 18860, 19090, 19920, 20418, 22632, 22908, 27224, 28290, 28635, 30544, 34030, 37720, 38180, 40836, 45264, 45816, 51045, 54448, 56580, 57270, 68060, 75440, 76360, 78269, 81672, 91632, 102090, 113160, 114540, 136120, 152720, 156538, 163344, 204180, 226320, 229080, 234807, 272240, 313076, 391345, 408360, 458160, 469614, 626152, 782690, 816720, 939228, 1174035, 1252304, 1565380, 1878456, 2348070, 3130760, 3756912, 4696140, 6261520, 9392280, 18784560]

約数ペア:

[(1, 18784560), (2, 9392280), (3, 6261520), (4, 4696140), (5, 3756912), (6, 3130760), (8, 2348070), (10, 1878456), (12, 1565380), (15, 1252304), (16, 1174035), (20, 939228), (23, 816720), (24, 782690), (30, 626152), (40, 469614), (41, 458160), (46, 408360), (48, 391345), (60, 313076), (69, 272240), (80, 234807), (82, 229080), (83, 226320), (92, 204180), (115, 163344), (120, 156538), (123, 152720), (138, 136120), (164, 114540), (166, 113160), (184, 102090), (205, 91632), (230, 81672), (240, 78269), (246, 76360), (249, 75440), (276, 68060), (328, 57270), (332, 56580), (345, 54448), (368, 51045), (410, 45816), (415, 45264), (460, 40836), (492, 38180), (498, 37720), (552, 34030), (615, 30544), (656, 28635), (664, 28290), (690, 27224), (820, 22908), (830, 22632), (920, 20418), (943, 19920), (984, 19090), (996, 18860), (1104, 17015), (1230, 15272), (1245, 15088), (1328, 14145), (1380, 13612), (1640, 11454), (1660, 11316), (1840, 10209), (1886, 9960), (1909, 9840), (1968, 9545), (1992, 9430), (2460, 7636), (2490, 7544), (2760, 6806), (2829, 6640), (3280, 5727), (3320, 5658), (3403, 5520), (3772, 4980), (3818, 4920), (3984, 4715)]