19563104

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 42411600

約数和(自身を除く): 22848496

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 149, 176, 298, 352, 373, 596, 746, 1192, 1492, 1639, 2384, 2984, 3278, 4103, 4768, 5968, 6556, 8206, 11936, 13112, 16412, 26224, 32824, 52448, 55577, 65648, 111154, 131296, 222308, 444616, 611347, 889232, 1222694, 1778464, 2445388, 4890776, 9781552, 19563104]

約数ペア:

[(1, 19563104), (2, 9781552), (4, 4890776), (8, 2445388), (11, 1778464), (16, 1222694), (22, 889232), (32, 611347), (44, 444616), (88, 222308), (149, 131296), (176, 111154), (298, 65648), (352, 55577), (373, 52448), (596, 32824), (746, 26224), (1192, 16412), (1492, 13112), (1639, 11936), (2384, 8206), (2984, 6556), (3278, 5968), (4103, 4768)]