19229440

素因数分解:

$2^8\times 5^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 46873008

約数和(自身を除く): 27643568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 181, 256, 320, 332, 362, 415, 640, 664, 724, 830, 905, 1280, 1328, 1448, 1660, 1810, 2656, 2896, 3320, 3620, 5312, 5792, 6640, 7240, 10624, 11584, 13280, 14480, 15023, 21248, 23168, 26560, 28960, 30046, 46336, 53120, 57920, 60092, 75115, 106240, 115840, 120184, 150230, 231680, 240368, 300460, 480736, 600920, 961472, 1201840, 1922944, 2403680, 3845888, 4807360, 9614720, 19229440]

約数ペア:

[(1, 19229440), (2, 9614720), (4, 4807360), (5, 3845888), (8, 2403680), (10, 1922944), (16, 1201840), (20, 961472), (32, 600920), (40, 480736), (64, 300460), (80, 240368), (83, 231680), (128, 150230), (160, 120184), (166, 115840), (181, 106240), (256, 75115), (320, 60092), (332, 57920), (362, 53120), (415, 46336), (640, 30046), (664, 28960), (724, 26560), (830, 23168), (905, 21248), (1280, 15023), (1328, 14480), (1448, 13280), (1660, 11584), (1810, 10624), (2656, 7240), (2896, 6640), (3320, 5792), (3620, 5312)]