19423520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 50159088

約数和(自身を除く): 30735568

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 37, 40, 68, 74, 80, 85, 136, 148, 160, 170, 185, 193, 272, 296, 340, 370, 386, 544, 592, 629, 680, 740, 772, 965, 1184, 1258, 1360, 1480, 1544, 1930, 2516, 2720, 2960, 3088, 3145, 3281, 3860, 5032, 5920, 6176, 6290, 6562, 7141, 7720, 10064, 12580, 13124, 14282, 15440, 16405, 20128, 25160, 26248, 28564, 30880, 32810, 35705, 50320, 52496, 57128, 65620, 71410, 100640, 104992, 114256, 121397, 131240, 142820, 228512, 242794, 262480, 285640, 485588, 524960, 571280, 606985, 971176, 1142560, 1213970, 1942352, 2427940, 3884704, 4855880, 9711760, 19423520]

約数ペア:

[(1, 19423520), (2, 9711760), (4, 4855880), (5, 3884704), (8, 2427940), (10, 1942352), (16, 1213970), (17, 1142560), (20, 971176), (32, 606985), (34, 571280), (37, 524960), (40, 485588), (68, 285640), (74, 262480), (80, 242794), (85, 228512), (136, 142820), (148, 131240), (160, 121397), (170, 114256), (185, 104992), (193, 100640), (272, 71410), (296, 65620), (340, 57128), (370, 52496), (386, 50320), (544, 35705), (592, 32810), (629, 30880), (680, 28564), (740, 26248), (772, 25160), (965, 20128), (1184, 16405), (1258, 15440), (1360, 14282), (1480, 13124), (1544, 12580), (1930, 10064), (2516, 7720), (2720, 7141), (2960, 6562), (3088, 6290), (3145, 6176), (3281, 5920), (3860, 5032)]