19423860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 58423680

約数和(自身を除く): 38999820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 137, 139, 170, 204, 255, 274, 278, 340, 411, 417, 510, 548, 556, 685, 695, 822, 834, 1020, 1370, 1390, 1644, 1668, 2055, 2085, 2329, 2363, 2740, 2780, 4110, 4170, 4658, 4726, 6987, 7089, 8220, 8340, 9316, 9452, 11645, 11815, 13974, 14178, 19043, 23290, 23630, 27948, 28356, 34935, 35445, 38086, 46580, 47260, 57129, 69870, 70890, 76172, 95215, 114258, 139740, 141780, 190430, 228516, 285645, 323731, 380860, 571290, 647462, 971193, 1142580, 1294924, 1618655, 1942386, 3237310, 3884772, 4855965, 6474620, 9711930, 19423860]

約数ペア:

[(1, 19423860), (2, 9711930), (3, 6474620), (4, 4855965), (5, 3884772), (6, 3237310), (10, 1942386), (12, 1618655), (15, 1294924), (17, 1142580), (20, 971193), (30, 647462), (34, 571290), (51, 380860), (60, 323731), (68, 285645), (85, 228516), (102, 190430), (137, 141780), (139, 139740), (170, 114258), (204, 95215), (255, 76172), (274, 70890), (278, 69870), (340, 57129), (411, 47260), (417, 46580), (510, 38086), (548, 35445), (556, 34935), (685, 28356), (695, 27948), (822, 23630), (834, 23290), (1020, 19043), (1370, 14178), (1390, 13974), (1644, 11815), (1668, 11645), (2055, 9452), (2085, 9316), (2329, 8340), (2363, 8220), (2740, 7089), (2780, 6987), (4110, 4726), (4170, 4658)]