19445265

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{19}}^3$

素因数の和:81

約数の個数: 80

約数和(自身を含む): 42049920

約数和(自身を除く): 22604655

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 81, 95, 105, 133, 135, 171, 189, 285, 315, 361, 399, 405, 513, 567, 665, 855, 945, 1083, 1197, 1539, 1805, 1995, 2527, 2565, 2835, 3249, 3591, 5415, 5985, 6859, 7581, 7695, 9747, 10773, 12635, 16245, 17955, 20577, 22743, 29241, 34295, 37905, 48013, 48735, 53865, 61731, 68229, 102885, 113715, 144039, 146205, 185193, 204687, 240065, 308655, 341145, 432117, 555579, 720195, 925965, 1023435, 1296351, 2160585, 2777895, 3889053, 6481755, 19445265]

約数ペア:

[(1, 19445265), (3, 6481755), (5, 3889053), (7, 2777895), (9, 2160585), (15, 1296351), (19, 1023435), (21, 925965), (27, 720195), (35, 555579), (45, 432117), (57, 341145), (63, 308655), (81, 240065), (95, 204687), (105, 185193), (133, 146205), (135, 144039), (171, 113715), (189, 102885), (285, 68229), (315, 61731), (361, 53865), (399, 48735), (405, 48013), (513, 37905), (567, 34295), (665, 29241), (855, 22743), (945, 20577), (1083, 17955), (1197, 16245), (1539, 12635), (1805, 10773), (1995, 9747), (2527, 7695), (2565, 7581), (2835, 6859), (3249, 5985), (3591, 5415)]