19946656

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:701

約数の個数: 48

約数和(自身を含む): 42184800

約数和(自身を除く): 22238144

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 53, 76, 106, 152, 212, 304, 424, 608, 619, 848, 1007, 1238, 1696, 2014, 2476, 4028, 4952, 8056, 9904, 11761, 16112, 19808, 23522, 32224, 32807, 47044, 65614, 94088, 131228, 188176, 262456, 376352, 524912, 623333, 1049824, 1246666, 2493332, 4986664, 9973328, 19946656]

約数ペア:

[(1, 19946656), (2, 9973328), (4, 4986664), (8, 2493332), (16, 1246666), (19, 1049824), (32, 623333), (38, 524912), (53, 376352), (76, 262456), (106, 188176), (152, 131228), (212, 94088), (304, 65614), (424, 47044), (608, 32807), (619, 32224), (848, 23522), (1007, 19808), (1238, 16112), (1696, 11761), (2014, 9904), (2476, 8056), (4028, 4952)]