19559680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 55923840

約数和(自身を除く): 36364160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 59, 64, 70, 74, 80, 112, 118, 128, 140, 148, 160, 185, 224, 236, 256, 259, 280, 295, 296, 320, 370, 413, 448, 472, 518, 560, 590, 592, 640, 740, 826, 896, 944, 1036, 1120, 1180, 1184, 1280, 1295, 1480, 1652, 1792, 1888, 2065, 2072, 2183, 2240, 2360, 2368, 2590, 2960, 3304, 3776, 4130, 4144, 4366, 4480, 4720, 4736, 5180, 5920, 6608, 7552, 8260, 8288, 8732, 8960, 9440, 9472, 10360, 10915, 11840, 13216, 15104, 15281, 16520, 16576, 17464, 18880, 20720, 21830, 23680, 26432, 30562, 33040, 33152, 34928, 37760, 41440, 43660, 47360, 52864, 61124, 66080, 66304, 69856, 75520, 76405, 82880, 87320, 105728, 122248, 132160, 139712, 152810, 165760, 174640, 244496, 264320, 279424, 305620, 331520, 349280, 488992, 528640, 558848, 611240, 698560, 977984, 1222480, 1397120, 1955968, 2444960, 2794240, 3911936, 4889920, 9779840, 19559680]

約数ペア:

[(1, 19559680), (2, 9779840), (4, 4889920), (5, 3911936), (7, 2794240), (8, 2444960), (10, 1955968), (14, 1397120), (16, 1222480), (20, 977984), (28, 698560), (32, 611240), (35, 558848), (37, 528640), (40, 488992), (56, 349280), (59, 331520), (64, 305620), (70, 279424), (74, 264320), (80, 244496), (112, 174640), (118, 165760), (128, 152810), (140, 139712), (148, 132160), (160, 122248), (185, 105728), (224, 87320), (236, 82880), (256, 76405), (259, 75520), (280, 69856), (295, 66304), (296, 66080), (320, 61124), (370, 52864), (413, 47360), (448, 43660), (472, 41440), (518, 37760), (560, 34928), (590, 33152), (592, 33040), (640, 30562), (740, 26432), (826, 23680), (896, 21830), (944, 20720), (1036, 18880), (1120, 17464), (1180, 16576), (1184, 16520), (1280, 15281), (1295, 15104), (1480, 13216), (1652, 11840), (1792, 10915), (1888, 10360), (2065, 9472), (2072, 9440), (2183, 8960), (2240, 8732), (2360, 8288), (2368, 8260), (2590, 7552), (2960, 6608), (3304, 5920), (3776, 5180), (4130, 4736), (4144, 4720), (4366, 4480)]