19640389935

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{24631}}^1$

素因数の和:24768

約数の個数: 64

約数和(自身を含む): 34476917760

約数和(自身を除く): 14836527825

約数列:

[1, 3, 5, 15, 17, 51, 53, 59, 85, 159, 177, 255, 265, 295, 795, 885, 901, 1003, 2703, 3009, 3127, 4505, 5015, 9381, 13515, 15045, 15635, 24631, 46905, 53159, 73893, 123155, 159477, 265795, 369465, 418727, 797385, 1256181, 1305443, 1453229, 2093635, 3916329, 4359687, 6280905, 6527215, 7266145, 19581645, 21798435, 22192531, 24704893, 66577593, 74114679, 77021137, 110962655, 123524465, 231063411, 332887965, 370573395, 385105685, 1155317055, 1309359329, 3928077987, 6546796645, 19640389935]

約数ペア:

[(1, 19640389935), (3, 6546796645), (5, 3928077987), (15, 1309359329), (17, 1155317055), (51, 385105685), (53, 370573395), (59, 332887965), (85, 231063411), (159, 123524465), (177, 110962655), (255, 77021137), (265, 74114679), (295, 66577593), (795, 24704893), (885, 22192531), (901, 21798435), (1003, 19581645), (2703, 7266145), (3009, 6527215), (3127, 6280905), (4505, 4359687), (5015, 3916329), (9381, 2093635), (13515, 1453229), (15045, 1305443), (15635, 1256181), (24631, 797385), (46905, 418727), (53159, 369465), (73893, 265795), (123155, 159477)]