18433040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 46038720

約数和(自身を除く): 27605680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 67, 76, 80, 95, 134, 152, 181, 190, 268, 304, 335, 362, 380, 536, 670, 724, 760, 905, 1072, 1273, 1340, 1448, 1520, 1810, 2546, 2680, 2896, 3439, 3620, 5092, 5360, 6365, 6878, 7240, 10184, 12127, 12730, 13756, 14480, 17195, 20368, 24254, 25460, 27512, 34390, 48508, 50920, 55024, 60635, 68780, 97016, 101840, 121270, 137560, 194032, 230413, 242540, 275120, 460826, 485080, 921652, 970160, 1152065, 1843304, 2304130, 3686608, 4608260, 9216520, 18433040]

約数ペア:

[(1, 18433040), (2, 9216520), (4, 4608260), (5, 3686608), (8, 2304130), (10, 1843304), (16, 1152065), (19, 970160), (20, 921652), (38, 485080), (40, 460826), (67, 275120), (76, 242540), (80, 230413), (95, 194032), (134, 137560), (152, 121270), (181, 101840), (190, 97016), (268, 68780), (304, 60635), (335, 55024), (362, 50920), (380, 48508), (536, 34390), (670, 27512), (724, 25460), (760, 24254), (905, 20368), (1072, 17195), (1273, 14480), (1340, 13756), (1448, 12730), (1520, 12127), (1810, 10184), (2546, 7240), (2680, 6878), (2896, 6365), (3439, 5360), (3620, 5092)]